Release 3.0.0

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

.babelrc

@@ -1,18 +1,8 @@
 {
-  "presets": [
-    [
-      "@babel/preset-env",
-      {
-        "modules": false
-      }
-    ]
-  ],
-  "plugins": [
-    [
-      "@babel/plugin-transform-runtime",
-      {
-        "regenerator": true
-      }
-    ]
-  ]
+  "presets": [["env", { "modules": false }]],
+  "env": {
+    "test": {
+      "presets": [["env", { "targets": { "node": "current" } }]]
+    }
+  }
 }

.dockerignore

@@ -0,0 +1,8 @@
+node_modules
+.cache
+.idea
+dist
+.git
+static
+integration
+demo.gif

.editorconfig

@@ -0,0 +1,17 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+max_line_length = 120
+
+[*.go]
+indent_style = tab
+indent_size = 4
+
+[package.json]
+indent_size = 1

.gitattributes

@@ -0,0 +1 @@
+*.snapshot binary

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,32 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: amir20
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Desktop (please complete the following information):**
+ - OS: [e.g. iOS, Windows or Mac Os]
+ - Docker version [e.g. `docker version`'s output]
+ - Browser & version [e.g. chrome, safari]
+ - Version [e.g. 1.26.1. Can be found at `<Dozzle-host>/version`]
+
+**If applicable include logs with `--level debug` and browser logs**

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: enhancement
+assignees: amir20
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/stale.yml

@@ -0,0 +1,17 @@
+# Number of days of inactivity before an issue becomes stale
+daysUntilStale: 20
+# Number of days of inactivity before a stale issue is closed
+daysUntilClose: 3
+# Issues with these labels will never be considered stale
+exemptLabels:
+  - pinned
+  - security
+# Label to use when marking an issue as stale
+staleLabel: wontfix
+# Comment to post when marking an issue as stale. Set to `false` to disable
+markComment: >
+  This issue has been automatically marked as stale because it has not had
+  recent activity. It will be closed if no further activity occurs. Thank you
+  for your contributions.
+# Comment to post when closing a stale issue. Set to `false` to disable
+closeComment: false

.github/workflows/deploy.yml

@@ -0,0 +1,60 @@
+on:
+  push:
+    tags:
+      - "v*"
+name: Test and Release
+jobs:
+  npm-test:
+    name: JavaScript Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Install Node
+        uses: actions/setup-node@v1
+      - name: Install depdencies
+        run: yarn
+      - name: Run Tests
+        run: yarn test
+  go-test:
+    name: Go Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install Go
+        uses: actions/setup-go@v1
+        with:
+          go-version: 1.15.x
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Run Go Tests with Coverage
+        run: go test -cover ./...
+  int-test:
+    needs: [go-test, npm-test]
+    name: Integration Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Build images
+        run: docker-compose -f integration/docker-compose.test.yml build
+      - name: Run tests
+        run: docker-compose -f integration/docker-compose.test.yml run integration
+  buildx:
+    needs: [int-test]
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: crazy-max/ghaction-docker-buildx@v1
+        with:
+          buildx-version: latest
+          qemu-version: latest
+      - name: Available platforms
+        run: echo ${{ steps.buildx.outputs.platforms }}
+      - name: Docker Login
+        run: docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_PASSWORD }}
+      - name: Run Buildx
+        run: make publish

.github/workflows/test.yml

@@ -0,0 +1,37 @@
+on: push
+name: Test
+jobs:
+  npm-test:
+    name: JavaScript Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Install Node
+        uses: actions/setup-node@v1
+      - name: Install depdencies
+        run: yarn
+      - name: Run Tests
+        run: yarn test
+  go-test:
+    name: Go Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install Go
+        uses: actions/setup-go@v1
+        with:
+          go-version: 1.15.x
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Run Go Tests with Coverage
+        run: go test -cover ./...
+  int-test:
+    name: Integration Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Build images
+        run: docker-compose -f integration/docker-compose.test.yml build  
+      - name: Run tests
+        run: docker-compose -f integration/docker-compose.test.yml run integration

.gitignore

@@ -4,4 +4,5 @@ node_modules
 .cache
 static
 a_main-packr.go
-dozzle
+dozzle
+gin-bin

.goreleaser.yml

@@ -1,37 +0,0 @@
-before:
-  hooks:
-    - npm run build
-    - packr
-builds:
-  - env:
-      - CGO_ENABLED=0
-    goos:
-      - linux
-      - darwin
-    goarch:
-      - amd64
-      - arm
-      - arm64
-archive:
-  replacements:
-    amd64: 64-bit
-    386: 32-bit
-    arm64: ARM_64-bit
-    arm: ARM_32-bit
-    linux: Linux
-    darwin: Darwin
-checksum:
-  name_template: "checksums.txt"
-snapshot:
-  name_template: "{{ .Tag }}-next"
-changelog:
-  sort: asc
-  filters:
-    exclude:
-      - "^docs:"
-      - "^test:"
-dockers:
-  - image_templates:
-      - "amir20/dozzle:{{ .Tag }}"
-      - "amir20/dozzle:v{{ .Major }}.{{ .Minor }}"
-      - amir20/dozzle:latest

.prettierrc.js

@@ -0,0 +1,3 @@
+module.exports = {
+  printWidth: 120,
+};

.reflex

@@ -0,0 +1 @@
+-r '\.go$' -R 'node_modules' -R '^static/' -R '^.cache/' -G '*_test.go' -s -- go run main.go routes.go --level debug

.travis.yml

@@ -1,26 +0,0 @@
-language: go
-
-go:
-  - "1.11"
-
-services:
-  - docker
-
-before_install:
-  - nvm install --lts
-  - npm i -g npm
-  - npm ci
-  - go get -u github.com/gobuffalo/packr/packr
-
-after_success:
-  # docker login is required if you want to push docker images.
-  # DOCKER_PASSWORD should be a secret in your .travis.yml configuration.
-  # - test -n "$TRAVIS_TAG" && docker login -u=myuser -p="$DOCKER_PASSWORD"
-
-deploy:
-  - provider: script
-    skip_cleanup: true
-    script: curl -sL https://git.io/goreleaser | bash
-    on:
-      tags: true
-      condition: $TRAVIS_OS_NAME = linux

CODE_OF_CONDUCT.md

@@ -0,0 +1,76 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, sex characteristics, gender identity and expression,
+level of experience, education, socio-economic status, nationality, personal
+appearance, race, religion, or sexual identity and orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+ advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+ address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+ professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at findamir@gmail.com. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
+
+[homepage]: https://www.contributor-covenant.org
+
+For answers to common questions about this code of conduct, see
+https://www.contributor-covenant.org/faq

Dockerfile

@@ -1,10 +1,59 @@
-FROM alpine:latest as certs
-RUN apk --update add ca-certificates
+# Build assets
+FROM node:current-alpine as node
+
+RUN apk add --no-cache git openssh python make g++ util-linux
+
+WORKDIR /build
+
+# Install dependencies
+COPY package*.json yarn.lock ./
+RUN yarn install --network-timeout 1000000
+
+# Copy config files
+COPY .* webpack*.js ./
+
+# Copy assets to build
+COPY assets ./assets
+
+# Do the build
+RUN yarn build
+
+FROM golang:1.15-alpine AS builder
+
+RUN apk add --no-cache git ca-certificates
+RUN mkdir /dozzle
+
+WORKDIR /dozzle
+
+# Needed for assets
+RUN go get -u github.com/gobuffalo/packr/packr
+
+# Copy go mod files
+COPY go.* ./
+RUN go mod download
+
+# Copy assets built with node
+COPY --from=node /build/static ./static
+
+# Copy all other files
+COPY . .
+
+# Compile static files
+RUN packr -z
+
+# Args
+ARG TAG=dev
+
+# Build binary
+RUN CGO_ENABLED=0 go build -ldflags "-s -w -X main.version=$TAG"  -o dozzle
 
 FROM scratch
+
 ENV PATH=/bin
-ENV DOCKER_API_VERSION 1.38
-COPY --from=certs /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
-COPY dozzle /
+
+COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+COPY --from=builder /dozzle/dozzle /dozzle
+
+EXPOSE 8080
+
 ENTRYPOINT ["/dozzle"]
-EXPOSE 8080

Makefile

@@ -0,0 +1,6 @@
+TAG := $(shell git describe --tags)
+PLATFROMS := linux/amd64,linux/arm/v7,linux/arm64/v8
+
+.PHONY: publish
+publish:
+	docker buildx build --build-arg TAG=$(TAG) --platform $(PLATFROMS) -t amir20/dozzle:latest -t amir20/dozzle:$(TAG) --push .

README.md

@@ -1,47 +1,143 @@
-# dozzle
+[![Go Report Card](https://goreportcard.com/badge/github.com/amir20/dozzle)](https://goreportcard.com/report/github.com/amir20/dozzle)
+[![Docker Pulls](https://img.shields.io/docker/pulls/amir20/dozzle.svg)](https://hub.docker.com/r/amir20/dozzle/)
+[![Docker Size](https://images.microbadger.com/badges/image/amir20/dozzle.svg)](https://hub.docker.com/r/amir20/dozzle/)
+[![Docker Version](https://images.microbadger.com/badges/version/amir20/dozzle.svg)](https://hub.docker.com/r/amir20/dozzle/)
+![Test](https://github.com/amir20/dozzle/workflows/Test/badge.svg)
 
-Dozzle is a log viewer for Docker. It's free. It's small. And it's right in your browser. Oh, did I mention it is also real-time?
+# Dozzle - [dozzle.dev](https://dozzle.dev/)
 
-While dozzle should work for most, it is not meant to be a full logging solution. For enterprise use, I recommend you look at [Loggly](https://www.loggly.com), [Papertrail](https://papertrailapp.com) or [Kibana](https://www.elastic.co/products/kibana).
+Dozzle is a simple, lightweight application that provides you with a web based interface to monitor your Docker container logs live. It doesn’t store log information, it is for live monitoring of your container logs only.
 
-But if you don't want to pay for those service, then you are in luck! Dozzle will be able capture all logs from your containers and send them in real-time to your browser. Installation is also very easy.
+While dozzle should work for most, it is not meant to be a full logging solution. For enterprise applications, products like [Loggly](https://www.loggly.com), [Papertrail](https://papertrailapp.com) or [Kibana](https://www.elastic.co/products/kibana) are more suited.
 
-![Image](demo.gif)
+Dozzle doesn't cost any money. Dozzle aims to stay simple, small and free.
+
+![Image](https://github.com/amir20/dozzle/blob/master/.github/demo.gif?raw=true)
 
 ## Getting dozzle
 
-Dozzle is a very small Docker container (13.3MB virtual). Pull the latest release from the index:
+Dozzle is a very small Docker container (4 MB compressed). Pull the latest release from the index:
 
     $ docker pull amir20/dozzle:latest
 
 ## Using dozzle
 
-The simplest way to use dozzle is to run the docker container. Also, mount the Docker Unix socket with `-volume` to `/var/run/docker.sock`:
+The simplest way to use dozzle is to run the docker container. Also, mount the Docker Unix socket with `--volume` to `/var/run/docker.sock`:
 
     $ docker run --name dozzle -d --volume=/var/run/docker.sock:/var/run/docker.sock -p 8888:8080 amir20/dozzle:latest
 
 dozzle will be available at [http://localhost:8888/](http://localhost:8888/). You can change `-p 8888:8080` to any port. For example, if you want to view dozzle over port 4040 then you would do `-p 4040:8080`.
 
+### With Docker swarm
+
+    docker service create \
+    --name=dozzle \
+    --publish=8888:8080 \
+    --constraint=node.role==manager \
+    --mount=type=bind,src=/var/run/docker.sock,dst=/var/run/docker.sock \
+    amir20/dozzle:latest
+
+### With Docker compose
+
+    version: "3"
+    services:
+      dozzle:
+        container_name: dozzle
+        image: amir20/dozzle:latest
+        volumes:
+          - /var/run/docker.sock:/var/run/docker.sock
+        ports:
+          - 9999:8080
+
 #### Security
 
-dozzle doesn't support authentication out of the box. You can control the device dozzle binds to by passing `-addr` parameter. For example,
+dozzle doesn't support authentication out of the box. You can control the device dozzle binds to by passing `--addr` parameter. For example,
 
-    $ docker run --volume=/var/run/docker.sock:/var/run/docker.sock -p 8888:1224 amir20/dozzle:latest -addr localhost:1224
+    $ docker run --volume=/var/run/docker.sock:/var/run/docker.sock -p 8888:1224 amir20/dozzle:latest --addr localhost:1224
 
-will bind to `localhost` on port `1224`. You can then use use reverse proxy to control who can see the dozzle.
+will bind to `localhost` on port `1224`. You can then use a reverse proxy to control who can see dozzle.
 
-#### Environment variable, DOCKER_API_VERSION
+If you wish to restrict the containers shown you can pass the `--filter` parameter. For example,
 
-If you see
+    $ docker run --volume=/var/run/docker.sock:/var/run/docker.sock -p 8888:1224 amir20/dozzle:latest --filter name=foo
 
-    2018/10/31 08:53:17 Error response from daemon: client version 1.40 is too new. Maximum supported API version is 1.38
+this would then only allow you to view containers with a name starting with "foo". You can use other filters like `status` as well, please check the official docker [command line docs](https://docs.docker.com/engine/reference/commandline/ps/#filtering) for available filters.
 
-Then you need to modify `DOCKER_API_VERSION` to let dozzle know which version of the API is supported. By default, `DOCKER_API_VERSION=1.38` and you can change it to by passing `-e` flag. For example, this would change the `DOCKER_API_VERSION` to `1.20`
+#### Changing base URL
 
-$ docker run --volume=/var/run/docker.sock:/var/run/docker.sock -e DOCKER_API_VERSION=1.20 -p 8888:8080 amir20/dozzle:latest
+dozzle by default mounts to "/". If you want to control the base path you can use the `--base` option. For example, if you want to mount at "/foobar",
+then you can override by using `--base /foobar`. See env variables below for using `DOZZLE_BASE` to change this.
+
+    $ docker run --volume=/var/run/docker.sock:/var/run/docker.sock -p 8080:8080 amir20/dozzle:latest --base /foobar
+
+dozzle will be available at [http://localhost:8080/foobar/](http://localhost:8080/foobar/).
+
+#### Environment variables and configuration
+
+Dozzle follows the [12-factor](https://12factor.net/) model. Configurations can use the CLI flags or enviroment variables. The table below outlines all supported options and their respective env vars.
+
+| Flag         | Env Variable         | Default |
+| ------------ | -------------------- | ------- |
+| `--addr`     | `DOZZLE_ADDR`        | `:8080` |
+| `--base`     | `DOZZLE_BASE`        | `/`     |
+| `--level`    | `DOZZLE_LEVEL`       | `info`  |
+| n/a          | `DOCKER_API_VERSION` | not set |
+| `--tailSize` | `DOZZLE_TAILSIZE`    | `300`   |
+| `--filter`   | `DOZZLE_FILTER`      | `""`    |
+
+## Troubleshooting and FAQs
+
+<details>
+ <summary>I installed Dozzle, but logs are slow or they never load. Help!</summary>
+
+ Dozzle uses Server Sent Events (SSE) which connects to a sever using a HTTP stream without closing the connection. If any proxy tries to buffer this connection, then Dozzle never receives the data and hangs forever waiting for the reverse proxy to flush the buffer.  Since version `1.23.0`, Dozzle send the `X-Accel-Buffering: no` header which should stop reverse proxies buffering. However, some proxies may ignore this header. In those case, you need to explicitly disable any buffering.
+
+ Below is an example with nginx and using `proxy_pass` to disable buffering.
+
+```
+    server {
+        ...
+
+        location / {
+            proxy_pass                  http://<dozzle.container.ip.address>:8080;
+        }
+
+        location /api {
+            proxy_pass                  http://<dozzle.container.ip.address>:8080;
+
+            proxy_buffering             off;
+            proxy_cache                 off;
+        }
+    }
+
+```
+</details>
+
+<details>
+ <summary>What data does Dozzle collect?</summary>
+
+ Dozzle does not collect any metrics or analytics. Dozzle has a [strict](https://github.com/amir20/dozzle/blob/master/routes.go#L33-L38) Content Security Policy which only allows the following policies:
+
+ - Allow connect to `api.github.com` to fetch most recent version.
+ - Allow fonts from `fonts.gstatic.com` and styles from `fonts.googleapis.com`
+ - Only allow `<script>` and `<style>` files from `self`
+
+ Dozzle opens all links with `rel="noopener"`.
+</details>
 
-If you are not sure what to set `DOCKER_API_VERSION` then run `docker version` which will show supported API version.
 
 ## License
 
 [MIT](LICENSE)
+
+## Building
+
+To Build and test locally:
+
+1. Install NodeJs.
+2. Install Go.
+3. Globally install [packr utility](https://github.com/gobuffalo/packr) with `go get -u github.com/gobuffalo/packr/packr` outside of dozzle directory.
+4. Install [reflex](https://github.com/cespare/reflex) with `get -u github.com/cespare/reflex` outside of dozzle.
+5. Install node modules with `yarn`.
+6. Do `yarn dev`
+

__snapshots__/dozzle.snapshot

@@ -0,0 +1,122 @@
+/* snapshot: Test_createRoutes_foobar */
+HTTP/1.1 200 OK
+Connection: close
+Content-Security-Policy: default-src 'none'; script-src 'self'; style-src 'self' 'unsafe-inline' fonts.googleapis.com; img-src 'self'; manifest-src 'self'; font-src fonts.gstatic.com; connect-src 'self' api.github.com; require-trusted-types-for 'script'
+Content-Type: text/plain; charset=utf-8
+
+foo page
+
+/* snapshot: Test_createRoutes_index */
+HTTP/1.1 200 OK
+Connection: close
+Content-Security-Policy: default-src 'none'; script-src 'self'; style-src 'self' 'unsafe-inline' fonts.googleapis.com; img-src 'self'; manifest-src 'self'; font-src fonts.gstatic.com; connect-src 'self' api.github.com; require-trusted-types-for 'script'
+Content-Type: text/plain; charset=utf-8
+
+index page
+
+/* snapshot: Test_createRoutes_redirect */
+HTTP/1.1 301 Moved Permanently
+Connection: close
+Content-Security-Policy: default-src 'none'; script-src 'self'; style-src 'self' 'unsafe-inline' fonts.googleapis.com; img-src 'self'; manifest-src 'self'; font-src fonts.gstatic.com; connect-src 'self' api.github.com; require-trusted-types-for 'script'
+Content-Type: text/html; charset=utf-8
+Location: /foobar/
+
+<a href="/foobar/">Moved Permanently</a>.
+
+/* snapshot: Test_createRoutes_version */
+HTTP/1.1 200 OK
+Connection: close
+Content-Security-Policy: default-src 'none'; script-src 'self'; style-src 'self' 'unsafe-inline' fonts.googleapis.com; img-src 'self'; manifest-src 'self'; font-src fonts.gstatic.com; connect-src 'self' api.github.com; require-trusted-types-for 'script'
+Content-Type: text/plain; charset=utf-8
+
+dev
+
+/* snapshot: Test_handler_streamEvents_error */
+HTTP/1.1 200 OK
+Connection: close
+Cache-Control: no-cache
+Connection: keep-alive
+Content-Type: text/event-stream
+X-Accel-Buffering: no
+
+event: containers-changed
+data: []
+
+/* snapshot: Test_handler_streamEvents_error_request */
+HTTP/1.1 200 OK
+Connection: close
+Cache-Control: no-cache
+Connection: keep-alive
+Content-Type: text/event-stream
+X-Accel-Buffering: no
+
+event: containers-changed
+data: []
+
+/* snapshot: Test_handler_streamEvents_happy */
+HTTP/1.1 200 OK
+Connection: close
+Cache-Control: no-cache
+Connection: keep-alive
+Content-Type: text/event-stream
+X-Accel-Buffering: no
+
+event: containers-changed
+data: []
+
+/* snapshot: Test_handler_streamLogs_error_finding_container */
+HTTP/1.1 404 Not Found
+Connection: close
+Content-Type: text/plain; charset=utf-8
+X-Content-Type-Options: nosniff
+
+error finding container
+
+/* snapshot: Test_handler_streamLogs_error_reading */
+HTTP/1.1 200 OK
+Connection: close
+Cache-Control: no-cache
+Connection: keep-alive
+Content-Type: text/event-stream
+X-Accel-Buffering: no
+
+/* snapshot: Test_handler_streamLogs_happy */
+HTTP/1.1 200 OK
+Connection: close
+Cache-Control: no-cache
+Connection: keep-alive
+Content-Type: text/event-stream
+X-Accel-Buffering: no
+
+data: INFO Testing logs...
+
+event: container-stopped
+data: end of stream
+
+/* snapshot: Test_handler_streamLogs_happy_container_stopped */
+HTTP/1.1 200 OK
+Connection: close
+Cache-Control: no-cache
+Connection: keep-alive
+Content-Type: text/event-stream
+X-Accel-Buffering: no
+
+event: container-stopped
+data: end of stream
+
+event: container-stopped
+data: end of stream
+
+/* snapshot: Test_handler_streamLogs_happy_with_id */
+HTTP/1.1 200 OK
+Connection: close
+Cache-Control: no-cache
+Connection: keep-alive
+Content-Type: text/event-stream
+X-Accel-Buffering: no
+
+data: 2020-05-13T18:55:37.772853839Z INFO Testing logs...
+id: 2020-05-13T18:55:37.772853839Z
+
+event: container-stopped
+data: end of stream

assets/App.spec.js

@@ -0,0 +1,54 @@
+import EventSource from "eventsourcemock";
+import { shallowMount, RouterLinkStub, createLocalVue } from "@vue/test-utils";
+import Vuex from "vuex";
+import App from "./App";
+
+jest.mock("./store/config.js", () => ({ base: "" }));
+
+const localVue = createLocalVue();
+
+localVue.use(Vuex);
+
+describe("<App />", () => {
+  const stubs = { RouterLink: RouterLinkStub, "router-view": true, icon: true };
+  let store;
+
+  beforeEach(() => {
+    global.EventSource = EventSource;
+    const state = {
+      settings: { menuWidth: 15 },
+      containers: [{ id: "abc", name: "Test 1" }],
+    };
+
+    const getters = {
+      visibleContainers(store) {
+        return store.containers;
+      },
+      activeContainers() {
+        return [];
+      },
+    };
+
+    store = new Vuex.Store({
+      state,
+      getters,
+    });
+  });
+
+  test("has right title", async () => {
+    const wrapper = shallowMount(App, { stubs, store, localVue });
+    wrapper.vm.$store.state.containers = [
+      { id: "abc", name: "Test 1" },
+      { id: "xyz", name: "Test 2" },
+    ];
+    await wrapper.vm.$nextTick();
+
+    expect(wrapper.vm.title).toContain("2 containers");
+  });
+
+  test("renders correctly", async () => {
+    const wrapper = shallowMount(App, { stubs, store, localVue });
+    await wrapper.vm.$nextTick();
+    expect(wrapper.element).toMatchSnapshot();
+  });
+});

assets/App.vue

@@ -1,15 +1,165 @@
-<template lang="html">
-    <router-view></router-view>
+<template>
+  <main>
+    <mobile-menu v-if="isMobile"></mobile-menu>
+
+    <splitpanes @resized="onResized($event)">
+      <pane min-size="10" :size="settings.menuWidth" v-if="!isMobile && !collapseNav">
+        <side-menu></side-menu>
+      </pane>
+      <pane min-size="10">
+        <splitpanes>
+          <pane class="has-min-height router-view">
+            <search></search>
+            <router-view></router-view>
+          </pane>
+          <pane v-for="other in activeContainers" :key="other.id" v-if="!isMobile">
+            <log-container
+              :id="other.id"
+              show-title
+              scrollable
+              closable
+              @close="removeActiveContainer(other)"
+            ></log-container>
+          </pane>
+        </splitpanes>
+      </pane>
+    </splitpanes>
+    <button
+      @click="collapseNav = !collapseNav"
+      class="button is-small is-rounded is-settings-control"
+      :class="{ collapsed: collapseNav }"
+      id="hide-nav"
+      v-if="!isMobile"
+    >
+      <span class="icon">
+        <icon :name="collapseNav ? 'chevron-right' : 'chevron-left'"></icon>
+      </span>
+    </button>
+  </main>
 </template>
 
 <script>
+import { mapActions, mapGetters, mapState } from "vuex";
+import { Splitpanes, Pane } from "splitpanes";
+
+import LogContainer from "./components/LogContainer";
+import SideMenu from "./components/SideMenu";
+import MobileMenu from "./components/MobileMenu";
+import Search from "./components/Search";
+import Icon from "./components/Icon";
+
 export default {
-  name: "App"
+  name: "App",
+  components: {
+    Icon,
+    SideMenu,
+    LogContainer,
+    MobileMenu,
+    Splitpanes,
+    Pane,
+    Search,
+  },
+  data() {
+    return {
+      title: "",
+      collapseNav: false,
+    };
+  },
+  metaInfo() {
+    return {
+      title: this.title,
+      titleTemplate: "%s - Dozzle",
+    };
+  },
+  mounted() {
+    if (this.hasSmallerScrollbars) {
+      document.documentElement.classList.add("has-custom-scrollbars");
+    }
+    if (this.hasLightTheme) {
+      document.documentElement.setAttribute("data-theme", "light");
+    }
+    this.menuWidth = this.settings.menuWidth;
+  },
+  watch: {
+    hasSmallerScrollbars(newValue, oldValue) {
+      if (newValue) {
+        document.documentElement.classList.add("has-custom-scrollbars");
+      } else {
+        document.documentElement.classList.remove("has-custom-scrollbars");
+      }
+    },
+    hasLightTheme(newValue, oldValue) {
+      if (newValue) {
+        document.documentElement.setAttribute("data-theme", "light");
+      } else {
+        document.documentElement.removeAttribute("data-theme");
+      }
+    },
+    visibleContainers() {
+      this.title = `${this.visibleContainers.length} containers`;
+    },
+  },
+  computed: {
+    ...mapState(["isMobile", "settings"]),
+    ...mapGetters(["visibleContainers", "activeContainers"]),
+    hasSmallerScrollbars() {
+      return this.settings.smallerScrollbars;
+    },
+    hasLightTheme() {
+      return this.settings.lightTheme;
+    },
+  },
+  methods: {
+    ...mapActions({
+      removeActiveContainer: "REMOVE_ACTIVE_CONTAINER",
+      updateSetting: "UPDATE_SETTING",
+    }),
+    onResized(e) {
+      if (e.length == 2) {
+        const menuWidth = e[0].size;
+        this.updateSetting({ menuWidth });
+      }
+    },
+  },
 };
 </script>
 
-<style lang="css">
-.section.is-fullwidth {
-  padding: 0 !important;
+<style scoped lang="scss">
+::v-deep .splitpanes--vertical > .splitpanes__splitter {
+  min-width: 3px;
+  background: var(--border-color);
+  &:hover {
+    background: var(--border-hover-color);
+  }
+}
+
+@media screen and (max-width: 768px) {
+  .router-view {
+    padding-top: 75px;
+  }
+}
+
+.button.has-no-border {
+  border-color: transparent !important;
+}
+
+.has-min-height {
+  min-height: 100vh;
+}
+
+#hide-nav {
+  position: fixed;
+  left: 10px;
+  bottom: 10px;
+  &.collapsed {
+    left: -40px;
+    width: 60px;
+    padding-left: 40px;
+    background: rgba(0, 0, 0, 0.95);
+
+    &:hover {
+      left: -25px;
+    }
+  }
 }
 </style>

assets/__snapshots__/App.spec.js.snap

@@ -0,0 +1,54 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`<App /> renders correctly 1`] = `
+<main>
+  <!---->
+   
+  <splitpanes-stub
+    dblclicksplitter="true"
+    pushotherpanes="true"
+  >
+    <pane-stub
+      maxsize="100"
+      minsize="10"
+      size="15"
+    >
+      <side-menu-stub />
+    </pane-stub>
+     
+    <pane-stub
+      maxsize="100"
+      minsize="10"
+    >
+      <splitpanes-stub
+        dblclicksplitter="true"
+        pushotherpanes="true"
+      >
+        <pane-stub
+          class="has-min-height router-view"
+          maxsize="100"
+          minsize="0"
+        >
+          <search-stub />
+           
+          <router-view-stub />
+        </pane-stub>
+         
+      </splitpanes-stub>
+    </pane-stub>
+  </splitpanes-stub>
+   
+  <button
+    class="button is-small is-rounded is-settings-control"
+    id="hide-nav"
+  >
+    <span
+      class="icon"
+    >
+      <icon-stub
+        name="chevron-left"
+      />
+    </span>
+  </button>
+</main>
+`;

assets/components/ContainerStat.vue

@@ -0,0 +1,40 @@
+<template>
+  <div class="is-size-7 is-uppercase columns is-marginless is-mobile">
+    <div class="column is-narrow has-text-weight-bold">
+      {{ state }}
+    </div>
+    <div class="column is-narrow" v-if="stat.memoryUsage !== null">
+      <span class="has-text-weight-light">mem</span>
+      <span class="has-text-weight-bold">
+        {{ formatBytes(stat.memoryUsage) }}
+      </span>
+    </div>
+
+    <div class="column is-narrow" v-if="stat.cpu !== null">
+      <span class="has-text-weight-light">load</span>
+      <span class="has-text-weight-bold"> {{ stat.cpu }}% </span>
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  props: {
+    stat: Object,
+    state: String,
+  },
+  name: "ContainerStat",
+  methods: {
+    formatBytes(bytes, decimals = 2) {
+      if (bytes === 0) return "0 Bytes";
+      const k = 1024;
+      const dm = decimals < 0 ? 0 : decimals;
+      const sizes = ["Bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
+      const i = Math.floor(Math.log(bytes) / Math.log(k));
+      return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + " " + sizes[i];
+    },
+  },
+};
+</script>
+
+<style lang="scss" scoped></style>

assets/components/ContainerTitle.vue

@@ -0,0 +1,16 @@
+<template>
+  <div class="columns is-marginless has-text-weight-bold is-family-monospace">
+    <span class="column">{{ value }}</span>
+  </div>
+</template>
+
+<script>
+export default {
+  props: {
+    value: String,
+  },
+  name: "ContainerTitle",
+};
+</script>
+
+<style lang="scss" scoped></style>

assets/components/Icon.vue

@@ -0,0 +1,32 @@
+<template functional>
+  <svg class="icomoon" :class="['icon-' + props.name]">
+    <use :href="'#icon-' + props.name"></use>
+  </svg>
+</template>
+
+<script>
+export default {
+  props: {
+    name: {
+      required: true,
+      type: String,
+    },
+  },
+  name: "Icon",
+};
+</script>
+<style lang="scss" scoped>
+.icomoon {
+  display: inline-block;
+  width: 1em;
+  height: 1em;
+  stroke-width: 0;
+  stroke: currentColor;
+  fill: currentColor;
+
+  .icon:not(.keep-size) & {
+    width: 100%;
+    height: 100%;
+  }
+}
+</style>

assets/components/InfiniteLoader.vue

@@ -0,0 +1,81 @@
+<template>
+  <div ref="observer" class="infinte-loader">
+    <div class="spinner" v-show="isLoading">
+      <div class="bounce1"></div>
+      <div class="bounce2"></div>
+      <div class="bounce3"></div>
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  name: "InfiniteLoader",
+  data() {
+    return {
+      isLoading: false,
+    };
+  },
+  props: {
+    onLoadMore: Function,
+    enabled: Boolean,
+  },
+  mounted() {
+    const intersectionObserver = new IntersectionObserver(
+      async (entries) => {
+        if (entries[0].intersectionRatio <= 0) return;
+        if (this.onLoadMore && this.enabled) {
+          const scrollingParent = this.$el.closest("[data-scrolling]") || document.documentElement;
+          const previousHeight = scrollingParent.scrollHeight;
+          this.isLoading = true;
+          await this.onLoadMore();
+          this.isLoading = false;
+          this.$nextTick(() => (scrollingParent.scrollTop += scrollingParent.scrollHeight - previousHeight));
+        }
+      },
+      { threshholds: 1 }
+    );
+
+    intersectionObserver.observe(this.$refs.observer);
+
+    this.$once("hook:beforeDestroy", () => intersectionObserver.disconnect());
+  },
+};
+</script>
+<style scoped lang="scss">
+.infinte-loader {
+  min-height: 1px;
+}
+.spinner {
+  margin: 10px auto 0;
+  width: 70px;
+  text-align: center;
+
+  & > div {
+    width: 12px;
+    height: 12px;
+    background-color: var(--primary-color);
+    border-radius: 100%;
+    display: inline-block;
+    animation: sk-bouncedelay 0.8s infinite ease-in-out both;
+  }
+  & .bounce1 {
+    animation-delay: -0.32s;
+  }
+
+  & .bounce2 {
+    animation-delay: -0.16s;
+  }
+}
+
+@keyframes sk-bouncedelay {
+  0%,
+  80%,
+  100% {
+    transform: scale(0);
+  }
+  40% {
+    transform: scale(1);
+  }
+}
+</style>

assets/components/LogContainer.vue

@@ -0,0 +1,76 @@
+<template>
+  <scrollable-view :scrollable="scrollable" v-if="container">
+    <template v-slot:header v-if="showTitle">
+      <div class="columns is-vcentered pr-4">
+        <div class="column is-narrow">
+          <container-title :value="container.name" @close="$emit('close')"></container-title>
+        </div>
+        <div class="column is-clipped">
+          <container-stat :stat="container.stat" :state="container.state"></container-stat>
+        </div>
+        <div class="column is-narrow" v-if="closable">
+          <button class="delete is-medium" @click="$emit('close')"></button>
+        </div>
+      </div>
+    </template>
+    <template v-slot="{ setLoading }">
+      <log-viewer-with-source :id="id" @loading-more="setLoading($event)"></log-viewer-with-source>
+    </template>
+  </scrollable-view>
+</template>
+
+<script>
+import { mapGetters } from "vuex";
+
+import LogViewerWithSource from "./LogViewerWithSource";
+import ScrollableView from "./ScrollableView";
+import ContainerTitle from "./ContainerTitle";
+import ContainerStat from "./ContainerStat";
+
+export default {
+  props: {
+    id: {
+      type: String,
+    },
+    showTitle: {
+      type: Boolean,
+      default: false,
+    },
+    scrollable: {
+      type: Boolean,
+      default: false,
+    },
+    closable: {
+      type: Boolean,
+      default: false,
+    },
+  },
+  name: "LogContainer",
+  components: {
+    LogViewerWithSource,
+    ScrollableView,
+    ContainerTitle,
+    ContainerStat,
+  },
+  computed: {
+    ...mapGetters(["allContainersById"]),
+    container() {
+      return this.allContainersById[this.id];
+    },
+  },
+};
+</script>
+<style lang="scss" scoped>
+button.delete {
+  background-color: var(--scheme-main-ter);
+  opacity: 0.6;
+  &:after,
+  &:before {
+    background-color: var(--text-color);
+  }
+
+  &:hover {
+    opacity: 1;
+  }
+}
+</style>

assets/components/LogEventSource.spec.js

@@ -0,0 +1,200 @@
+import debounce from "lodash.debounce";
+import EventSource from "eventsourcemock";
+import { sources } from "eventsourcemock";
+import { shallowMount, mount, createLocalVue } from "@vue/test-utils";
+import Vuex from "vuex";
+import LogEventSource from "./LogEventSource.vue";
+import LogViewer from "./LogViewer.vue";
+
+jest.mock("lodash.debounce", () =>
+  jest.fn((fn) => {
+    return fn;
+  })
+);
+
+jest.mock("../store/config.js", () => ({ base: "" }));
+
+describe("<LogEventSource />", () => {
+  beforeEach(() => {
+    global.EventSource = EventSource;
+    window.scrollTo = jest.fn();
+    const observe = jest.fn();
+    const disconnect = jest.fn();
+    global.IntersectionObserver = jest.fn(() => ({
+      observe,
+      disconnect,
+    }));
+    debounce.mockClear();
+  });
+
+  function createLogEventSource(searchFilter = null) {
+    const localVue = createLocalVue();
+    localVue.use(Vuex);
+
+    localVue.component("log-viewer", LogViewer);
+
+    const state = { searchFilter, settings: { size: "medium", showTimestamp: true } };
+
+    const store = new Vuex.Store({
+      state,
+    });
+
+    return mount(LogEventSource, {
+      localVue,
+      store,
+      scopedSlots: {
+        default: `
+        <log-viewer :messages="props.messages"></log-viewer>
+        `,
+      },
+      propsData: { id: "abc" },
+    });
+  }
+
+  test("renders correctly", async () => {
+    const wrapper = createLogEventSource();
+    expect(wrapper.element).toMatchSnapshot();
+  });
+
+  test("should connect to EventSource", async () => {
+    shallowMount(LogEventSource);
+    sources["/api/logs/stream?id=abc"].emitOpen();
+    expect(sources["/api/logs/stream?id=abc"].readyState).toBe(1);
+  });
+
+  test("should close EventSource", async () => {
+    const wrapper = createLogEventSource();
+    sources["/api/logs/stream?id=abc"].emitOpen();
+    wrapper.destroy();
+    expect(sources["/api/logs/stream?id=abc"].readyState).toBe(2);
+  });
+
+  test("should parse messages", async () => {
+    const wrapper = createLogEventSource();
+    sources["/api/logs/stream?id=abc"].emitOpen();
+    sources["/api/logs/stream?id=abc"].emitMessage({ data: `2019-06-12T10:55:42.459034602Z "This is a message."` });
+
+    const [message, _] = wrapper.vm.messages;
+    const { key, ...messageWithoutKey } = message;
+
+    expect(key).toBe("2019-06-12T10:55:42.459034602Z");
+    expect(messageWithoutKey).toMatchInlineSnapshot(`
+      Object {
+        "date": 2019-06-12T10:55:42.459Z,
+        "message": "\\"This is a message.\\"",
+      }
+    `);
+  });
+
+  test("should parse messages with loki's timestamp format", async () => {
+    const wrapper = createLogEventSource();
+    sources["/api/logs/stream?id=abc"].emitOpen();
+    sources["/api/logs/stream?id=abc"].emitMessage({ data: `2020-04-27T12:35:43.272974324+02:00 xxxxx` });
+
+    const [message, _] = wrapper.vm.messages;
+    const { key, ...messageWithoutKey } = message;
+
+    expect(key).toBe("2020-04-27T12:35:43.272974324+02:00");
+    expect(messageWithoutKey).toMatchInlineSnapshot(`
+      Object {
+        "date": 2020-04-27T10:35:43.272Z,
+        "message": "xxxxx",
+      }
+    `);
+  });
+
+  test("should pass messages to slot", async () => {
+    const wrapper = createLogEventSource();
+    sources["/api/logs/stream?id=abc"].emitOpen();
+    sources["/api/logs/stream?id=abc"].emitMessage({ data: `2019-06-12T10:55:42.459034602Z "This is a message."` });
+    const [message, _] = wrapper.findComponent(LogViewer).vm.messages;
+
+    const { key, ...messageWithoutKey } = message;
+
+    expect(key).toBe("2019-06-12T10:55:42.459034602Z");
+
+    expect(messageWithoutKey).toMatchInlineSnapshot(`
+      Object {
+        "date": 2019-06-12T10:55:42.459Z,
+        "message": "\\"This is a message.\\"",
+      }
+    `);
+  });
+
+  describe("render html correctly", () => {
+    const RealDate = Date;
+    beforeAll(() => {
+      global.Date = class extends RealDate {
+        constructor(arg) {
+          if (arg) {
+            return new RealDate(arg);
+          } else {
+            return new RealDate(1560336936000);
+          }
+        }
+      };
+    });
+    afterAll(() => (global.Date = RealDate));
+
+    test("should render messages", async () => {
+      const wrapper = createLogEventSource();
+      sources["/api/logs/stream?id=abc"].emitOpen();
+      sources["/api/logs/stream?id=abc"].emitMessage({ data: `2019-06-12T10:55:42.459034602Z "This is a message."` });
+
+      await wrapper.vm.$nextTick();
+      expect(wrapper.find("ul.events")).toMatchInlineSnapshot(`
+        <ul class="events medium">
+          <li class=""><span class="date"><time datetime="2019-06-12T10:55:42.459Z">today at 10:55 AM</time></span> <span class="text">"This is a message."</span></li>
+        </ul>
+      `);
+    });
+
+    test("should render messages with color", async () => {
+      const wrapper = createLogEventSource();
+      sources["/api/logs/stream?id=abc"].emitOpen();
+      sources["/api/logs/stream?id=abc"].emitMessage({
+        data: `2019-06-12T10:55:42.459034602Z \x1b[30mblack\x1b[37mwhite`,
+      });
+
+      await wrapper.vm.$nextTick();
+      expect(wrapper.find("ul.events")).toMatchInlineSnapshot(`
+        <ul class="events medium">
+          <li class=""><span class="date"><time datetime="2019-06-12T10:55:42.459Z">today at 10:55 AM</time></span> <span class="text"><span style="color:#000">black<span style="color:#AAA">white</span></span></span></li>
+        </ul>
+      `);
+    });
+
+    test("should render messages with html entities", async () => {
+      const wrapper = createLogEventSource();
+      sources["/api/logs/stream?id=abc"].emitOpen();
+      sources["/api/logs/stream?id=abc"].emitMessage({
+        data: `2019-06-12T10:55:42.459034602Z <test>foo bar</test>`,
+      });
+
+      await wrapper.vm.$nextTick();
+      expect(wrapper.find("ul.events")).toMatchInlineSnapshot(`
+        <ul class="events medium">
+          <li class=""><span class="date"><time datetime="2019-06-12T10:55:42.459Z">today at 10:55 AM</time></span> <span class="text">&lt;test&gt;foo bar&lt;/test&gt;</span></li>
+        </ul>
+      `);
+    });
+
+    test("should render messages with filter", async () => {
+      const wrapper = createLogEventSource("test");
+      sources["/api/logs/stream?id=abc"].emitOpen();
+      sources["/api/logs/stream?id=abc"].emitMessage({
+        data: `2019-06-11T10:55:42.459034602Z Foo bar`,
+      });
+      sources["/api/logs/stream?id=abc"].emitMessage({
+        data: `2019-06-12T10:55:42.459034602Z This is a test <hi></hi>`,
+      });
+
+      await wrapper.vm.$nextTick();
+      expect(wrapper.find("ul.events")).toMatchInlineSnapshot(`
+        <ul class="events medium">
+          <li class=""><span class="date"><time datetime="2019-06-12T10:55:42.459Z">today at 10:55 AM</time></span> <span class="text">This is a <mark>test</mark> &lt;hi&gt;&lt;/hi&gt;</span></li>
+        </ul>
+      `);
+    });
+  });
+});

assets/components/LogEventSource.vue

@@ -0,0 +1,99 @@
+<template>
+  <div>
+    <infinite-loader :onLoadMore="loadOlderLogs" :enabled="messages.length > 100"></infinite-loader>
+    <slot :messages="messages"></slot>
+  </div>
+</template>
+
+<script>
+import debounce from "lodash.debounce";
+import InfiniteLoader from "./InfiniteLoader";
+import config from "../store/config";
+
+export default {
+  props: ["id"],
+  name: "LogEventSource",
+  components: {
+    InfiniteLoader,
+  },
+  data() {
+    return {
+      messages: [],
+      buffer: [],
+    };
+  },
+  created() {
+    this.es = null;
+    this.loadLogs(this.id);
+    this.flushBuffer = debounce(this.flushNow, 250, { maxWait: 1000 });
+  },
+  methods: {
+    loadLogs(id) {
+      this.reset();
+      this.es = new EventSource(`${config.base}/api/logs/stream?id=${this.id}`);
+      this.es.addEventListener("container-stopped", (e) => {
+        this.es.close();
+        this.buffer.push({ event: "container-stopped", message: "Container stopped", date: new Date() });
+        this.flushBuffer();
+        this.flushBuffer.flush();
+      });
+      this.es.addEventListener("error", (e) => console.error("EventSource failed: " + JSON.stringify(e)));
+      this.es.onmessage = (e) => {
+        this.buffer.push(this.parseMessage(e.data));
+        this.flushBuffer();
+      };
+      this.$once("hook:beforeDestroy", () => this.es.close());
+    },
+    flushNow() {
+      this.messages.push(...this.buffer);
+      this.buffer = [];
+    },
+    reset() {
+      if (this.es) {
+        this.es.close();
+        this.es = null;
+        this.flushBuffer.cancel();
+      }
+      this.messages = [];
+      this.buffer = [];
+    },
+    async loadOlderLogs() {
+      if (this.messages.length < 300) return;
+
+      this.$emit("loading-more", true);
+      const to = this.messages[0].date;
+      const last = this.messages[299].date;
+      const delta = to - last;
+      const from = new Date(to.getTime() + delta);
+      const logs = await (
+        await fetch(`${config.base}/api/logs?id=${this.id}&from=${from.toISOString()}&to=${to.toISOString()}`)
+      ).text();
+      if (logs) {
+        const newMessages = logs
+          .trim()
+          .split("\n")
+          .map((line) => this.parseMessage(line));
+        this.messages.unshift(...newMessages);
+      }
+      this.$emit("loading-more", false);
+    },
+    parseMessage(data) {
+      let i = data.indexOf(" ");
+      if (i == -1) {
+        i = data.length;
+      }
+      const key = data.substring(0, i);
+      const date = new Date(key);
+      const message = data.substring(i).trim();
+      return { key, date, message };
+    },
+  },
+  watch: {
+    id(newValue, oldValue) {
+      if (oldValue !== newValue) {
+        this.loadLogs(newValue);
+      }
+    },
+  },
+};
+</script>

assets/components/LogViewer.vue

@@ -0,0 +1,126 @@
+<template>
+  <ul class="events" :class="settings.size">
+    <li v-for="item in filtered" :key="item.key" :class="{ event: !!item.event }">
+      <span class="date" v-if="settings.showTimestamp"><relative-time :date="item.date"></relative-time></span>
+      <span class="text" v-html="colorize(item.message)"></span>
+    </li>
+  </ul>
+</template>
+<script>
+import { mapActions, mapGetters, mapState } from "vuex";
+import AnsiConvertor from "ansi-to-html";
+import DOMPurify from "dompurify";
+import RelativeTime from "./RelativeTime";
+
+const ansiConvertor = new AnsiConvertor({ escapeXML: true });
+
+if (window.trustedTypes && trustedTypes.createPolicy) {
+  trustedTypes.createPolicy("default", {
+    createHTML: (string, sink) => DOMPurify.sanitize(string, { RETURN_TRUSTED_TYPE: true }),
+  });
+}
+
+export default {
+  props: ["messages"],
+  name: "LogViewer",
+  components: { RelativeTime },
+  data() {
+    return {
+      showSearch: false,
+    };
+  },
+  methods: {
+    colorize: function (value) {
+      return ansiConvertor.toHtml(value).replace("&lt;mark&gt;", "<mark>").replace("&lt;/mark&gt;", "</mark>");
+    },
+  },
+  computed: {
+    ...mapState(["searchFilter", "settings"]),
+    filtered() {
+      const { searchFilter, messages } = this;
+      if (searchFilter) {
+        const isSmartCase = searchFilter === searchFilter.toLowerCase();
+        try {
+          const regex = isSmartCase ? new RegExp(searchFilter, "i") : new RegExp(searchFilter);
+          return messages
+            .filter((d) => d.message.match(regex))
+            .map((d) => ({
+              ...d,
+              message: d.message.replace(regex, "<mark>$&</mark>"),
+            }));
+        } catch (e) {
+          if (e instanceof SyntaxError) {
+            console.info(`Ignoring SytaxError from search.`, e);
+            return messages;
+          }
+          throw e;
+        }
+      }
+      return messages;
+    },
+  },
+};
+</script>
+<style scoped lang="scss">
+.events {
+  padding: 10px;
+  font-family: "Roboto Mono", monaco, monospace;
+
+  & > li {
+    word-wrap: break-word;
+    line-height: 130%;
+    &:last-child {
+      scroll-snap-align: end;
+      scroll-margin-block-end: 5rem;
+    }
+  }
+
+  &.small {
+    font-size: 60%;
+  }
+
+  &.medium {
+    font-size: 80%;
+  }
+
+  &.large {
+    font-size: 120%;
+  }
+}
+
+.date {
+  background-color: #262626;
+  color: #258ccd;
+
+  [data-theme="light"] & {
+    background-color: #f0f0f0;
+    color: #009900;
+    padding-left: 5px;
+    padding-right: 5px;
+  }
+}
+
+.text {
+  white-space: pre-wrap;
+}
+
+li.event {
+  color: #f14668;
+}
+
+::v-deep mark {
+  border-radius: 2px;
+  background-color: var(--secondary-color);
+  animation: pops 200ms ease-out;
+  display: inline-block;
+}
+
+@keyframes pops {
+  0% {
+    transform: scale(1.5);
+  }
+  100% {
+    transform: scale(1.05);
+  }
+}
+</style>

assets/components/LogViewerWithSource.vue

@@ -0,0 +1,19 @@
+<template>
+  <log-event-source :id="id" v-slot="eventSource" @loading-more="$emit('loading-more', $event)">
+    <log-viewer :messages="eventSource.messages"></log-viewer>
+  </log-event-source>
+</template>
+
+<script>
+import LogEventSource from "./LogEventSource";
+import LogViewer from "./LogViewer";
+
+export default {
+  props: ["id"],
+  name: "LogViewerWithSource",
+  components: {
+    LogEventSource,
+    LogViewer,
+  },
+};
+</script>

assets/components/MobileMenu.vue

@@ -0,0 +1,107 @@
+<template>
+  <aside>
+    <div class="columns is-marginless is-gapless is-mobile is-vcentered">
+      <div class="column is-narrow">
+        <router-link :to="{ name: 'default' }">
+          <svg class="logo">
+            <use href="#logo"></use>
+          </svg>
+        </router-link>
+      </div>
+      <div class="column ml-4 is-family-monospace is-ellipsis" v-if="$route.name == 'container'">
+        {{ allContainersById[$route.params.id].name }}
+      </div>
+
+      <div class="column is-narrow push-right">
+        <a
+          role="button"
+          class="navbar-burger burger is-hidden-tablet is-pulled-right"
+          @click="showNav = !showNav"
+          :class="{ 'is-active': showNav }"
+        >
+          <span></span> <span></span> <span></span>
+        </a>
+      </div>
+    </div>
+
+    <p class="menu-label is-hidden-mobile" :class="{ 'is-active': showNav }">Containers</p>
+    <ul class="menu-list is-hidden-mobile" :class="{ 'is-active': showNav }">
+      <li v-for="item in visibleContainers" :key="item.id">
+        <router-link
+          :to="{ name: 'container', params: { id: item.id, name: item.name } }"
+          active-class="is-active"
+          :title="item.name"
+        >
+          <div class="is-ellipsis">
+            {{ item.name }}
+          </div>
+        </router-link>
+      </li>
+    </ul>
+  </aside>
+</template>
+
+<script>
+import { mapGetters } from "vuex";
+
+export default {
+  props: [],
+  name: "MobileMenu",
+  data() {
+    return {
+      showNav: false,
+    };
+  },
+  computed: {
+    ...mapGetters(["visibleContainers", "allContainersById"]),
+  },
+  watch: {
+    $route(to, from) {
+      this.showNav = false;
+    },
+  },
+};
+</script>
+<style scoped lang="scss">
+aside {
+  padding: 1em;
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  background: var(--scheme-main-ter);
+  z-index: 2;
+  max-height: 100vh;
+  overflow: auto;
+
+  .menu-label {
+    margin-top: 1em;
+  }
+
+  .title {
+    text-shadow: 0px 1px 1px rgba(0, 0, 0, 0.2);
+  }
+
+  .burger {
+    color: var(--body-color);
+  }
+
+  .is-hidden-mobile.is-active {
+    display: block !important;
+  }
+
+  .navbar-burger {
+    height: 2.35rem;
+  }
+
+  .logo {
+    width: 82px;
+    height: 36px;
+    fill: var(--logo-color);
+  }
+
+  .column.push-right {
+    margin-left: auto;
+  }
+}
+</style>

assets/components/PastTime.vue

@@ -0,0 +1,39 @@
+<template>
+  <time :datetime="date.toISOString()">{{ text }}</time>
+</template>
+
+<script>
+import formatDistance from "date-fns/formatDistance";
+
+export default {
+  props: {
+    date: {
+      required: true,
+      type: Date,
+    },
+  },
+  data() {
+    return {
+      text: "",
+      interval: null,
+    };
+  },
+  name: "PastTime",
+  mounted() {
+    this.updateFromNow();
+    this.interval = setInterval(() => this.updateFromNow(), 30000);
+  },
+  destroyed() {
+    clearInterval(this.interval);
+  },
+  methods: {
+    updateFromNow() {
+      this.text = formatDistance(this.date, new Date(), {
+        addSuffix: true,
+      });
+    },
+  },
+};
+</script>
+
+<style scoped lang="scss"></style>

assets/components/RelativeTime.vue

@@ -0,0 +1,34 @@
+<template>
+  <time :datetime="date.toISOString()">{{ date | relativeTime }}</time>
+</template>
+
+<script>
+import { formatRelative } from "date-fns";
+import { enGB, enUS } from "date-fns/locale";
+
+const use24Hr =
+  new Intl.DateTimeFormat(undefined, {
+    hour: "numeric",
+  })
+    .formatToParts(new Date(2020, 0, 1, 13))
+    .find((part) => part.type === "hour").value.length === 2;
+
+const locale = use24Hr ? enGB : enUS;
+
+export default {
+  props: {
+    date: {
+      required: true,
+      type: Date,
+    },
+  },
+  name: "RelativeTime",
+  components: {},
+
+  filters: {
+    relativeTime(date) {
+      return formatRelative(date, new Date(), { locale });
+    },
+  },
+};
+</script>

assets/components/ScrollProgress.vue

@@ -0,0 +1,146 @@
+<template>
+  <div class="scroll-progress">
+    <svg width="100" height="100" viewBox="0 0 100 100" :class="{ indeterminate }">
+      <circle r="44" cx="50" cy="50" :style="{ '--progress': scrollProgress }" />
+    </svg>
+    <div class="is-overlay columns is-vcentered is-centered has-text-weight-light">
+      <template v-if="indeterminate">
+        <div class="column is-narrow is-paddingless is-size-2">&#8734;</div>
+      </template>
+      <template v-else>
+        <span class="column is-narrow is-paddingless is-size-2">
+          {{ Math.ceil(scrollProgress * 100) }}
+        </span>
+        <span class="column is-narrow is-paddingless"> % </span>
+      </template>
+    </div>
+  </div>
+</template>
+
+<script>
+import { mapGetters } from "vuex";
+import throttle from "lodash.throttle";
+
+export default {
+  name: "ScrollProgress",
+  props: {
+    indeterminate: {
+      default: false,
+      type: Boolean,
+    },
+    autoHide: {
+      default: true,
+      type: Boolean,
+    },
+  },
+  data() {
+    return {
+      scrollProgress: 0,
+      animation: { cancel: () => {} },
+      parentElement: document,
+    };
+  },
+  created() {
+    this.onScrollThrottled = throttle(this.onScroll, 150);
+  },
+  mounted() {
+    this.attachEvents();
+    this.$once("hook:beforeDestroy", this.detachEvents);
+  },
+  watch: {
+    activeContainers() {
+      this.detachEvents();
+      this.attachEvents();
+    },
+    indeterminate() {
+      this.$nextTick(() => this.onScroll());
+    },
+  },
+  computed: {
+    ...mapGetters(["activeContainers"]),
+  },
+  methods: {
+    attachEvents() {
+      this.parentElement = this.$el.closest("[data-scrolling]") || document;
+      this.parentElement.addEventListener("scroll", this.onScrollThrottled);
+    },
+    detachEvents() {
+      this.parentElement.removeEventListener("scroll", this.onScrollThrottled);
+    },
+    onScroll() {
+      const p = this.parentElement == document ? document.documentElement : this.parentElement;
+      this.scrollProgress = p.scrollTop / (p.scrollHeight - p.clientHeight);
+      this.animation.cancel();
+      if (this.autoHide) {
+        this.animation = this.$el.animate(
+          { opacity: [1, 0] },
+          {
+            duration: 500,
+            delay: 2000,
+            fill: "both",
+            easing: "ease-out",
+          }
+        );
+      }
+    },
+  },
+};
+</script>
+<style scoped lang="scss">
+.scroll-progress {
+  display: inline-block;
+  position: relative;
+
+  svg {
+    filter: drop-shadow(0px 1px 1px rgba(0, 0, 0, 0.2));
+    margin-top: 5px;
+    &.indeterminate {
+      animation: 2s linear infinite svg-animation;
+
+      circle {
+        animation: 1.4s ease-in-out infinite both circle-animation;
+      }
+    }
+    circle {
+      fill: var(--scheme-main-ter);
+      fill-opacity: 0.8;
+      transition: stroke-dashoffset 250ms ease-out;
+      transform: rotate(-90deg);
+      transform-origin: 50% 50%;
+      stroke: var(--primary-color);
+      stroke-dashoffset: calc(276.32px - var(--progress) * 276.32px);
+      stroke-dasharray: 276.32px 276.32px;
+      stroke-linecap: round;
+      stroke-width: 3;
+      will-change: stroke-dashoffset;
+    }
+  }
+}
+
+@keyframes svg-animation {
+  0% {
+    transform: rotateZ(0deg);
+  }
+  100% {
+    transform: rotateZ(360deg);
+  }
+}
+
+@keyframes circle-animation {
+  0%,
+  25% {
+    stroke-dashoffset: 275px;
+    transform: rotate(0);
+  }
+  50%,
+  75% {
+    stroke-dashoffset: 70px;
+    transform: rotate(45deg);
+  }
+
+  100% {
+    stroke-dashoffset: 275px;
+    transform: rotate(360deg);
+  }
+}
+</style>

assets/components/ScrollableView.vue

@@ -0,0 +1,167 @@
+<template>
+  <section :class="{ 'is-full-height-scrollable': scrollable }">
+    <header v-if="$slots.header">
+      <slot name="header"></slot>
+    </header>
+    <main ref="content" :data-scrolling="scrollable">
+      <div class="is-scrollbar-progress is-hidden-mobile">
+        <scroll-progress v-show="paused" :indeterminate="loading" :auto-hide="!loading"></scroll-progress>
+      </div>
+      <slot :setLoading="setLoading"></slot>
+      <div ref="scrollObserver" class="is-scroll-observer"></div>
+    </main>
+
+    <div class="is-scrollbar-notification">
+      <transition name="fade">
+        <button class="button" :class="hasMore ? 'has-more' : ''" @click="scrollToBottom('instant')" v-show="paused">
+          <icon name="download"></icon>
+        </button>
+      </transition>
+    </div>
+  </section>
+</template>
+
+<script>
+import Icon from "./Icon";
+import ScrollProgress from "./ScrollProgress";
+
+export default {
+  props: {
+    scrollable: {
+      type: Boolean,
+      default: true,
+    },
+  },
+  components: {
+    Icon,
+    ScrollProgress,
+  },
+  name: "ScrollableView",
+  data() {
+    return {
+      paused: false,
+      hasMore: false,
+      loading: false,
+    };
+  },
+  mounted() {
+    const { content } = this.$refs;
+    const mutationObserver = new MutationObserver((e) => {
+      if (!this.paused) {
+        this.scrollToBottom("instant");
+      } else {
+        const record = e[e.length - 1];
+        if (
+          record.target.children[record.target.children.length - 1] == record.addedNodes[record.addedNodes.length - 1]
+        ) {
+          this.hasMore = true;
+        }
+      }
+    });
+    mutationObserver.observe(content, { childList: true, subtree: true });
+    this.$once("hook:beforeDestroy", () => mutationObserver.disconnect());
+
+    const intersectionObserver = new IntersectionObserver(
+      (entries) => (this.paused = entries[0].intersectionRatio == 0),
+      { threshholds: [0, 1], rootMargin: "80px 0px" }
+    );
+    intersectionObserver.observe(this.$refs.scrollObserver);
+    this.$once("hook:beforeDestroy", () => intersectionObserver.disconnect());
+  },
+
+  methods: {
+    scrollToBottom(behavior = "instant") {
+      this.$refs.scrollObserver.scrollIntoView({ behavior });
+      this.hasMore = false;
+    },
+    setLoading(loading) {
+      this.loading = loading;
+    },
+  },
+};
+</script>
+<style scoped lang="scss">
+section {
+  display: flex;
+  flex-direction: column;
+
+  header {
+    position: sticky;
+    top: 0;
+    background: var(--body-background-color);
+    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
+  }
+
+  &.is-full-height-scrollable {
+    height: 100vh;
+    min-height: 0;
+  }
+
+  main {
+    flex: 1;
+    overflow: auto;
+    scroll-snap-type: y proximity;
+  }
+
+  .is-scrollbar-progress {
+    text-align: right;
+    margin-right: 110px;
+    .scroll-progress {
+      position: fixed;
+      top: 60px;
+      z-index: 2;
+    }
+  }
+
+  .is-scroll-observer {
+    height: 1px;
+  }
+
+  .is-scrollbar-notification {
+    text-align: right;
+    margin-right: 65px;
+    button {
+      position: fixed;
+      bottom: 30px;
+      background-color: var(--secondary-color);
+      transition: background-color 1s ease-out;
+      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
+      border: none !important;
+      color: #222;
+
+      &.has-more {
+        background-color: var(--primary-color);
+        animation-name: bounce;
+        animation-duration: 1000ms;
+        animation-fill-mode: both;
+        color: #fff;
+      }
+    }
+  }
+
+  @keyframes bounce {
+    0%,
+    20%,
+    50%,
+    80%,
+    100% {
+      transform: translateY(0);
+    }
+    40% {
+      transform: translateY(-30px);
+    }
+    60% {
+      transform: translateY(-15px);
+    }
+  }
+
+  .fade-enter-active,
+  .fade-leave-active {
+    transition: opacity 0.15s ease-in;
+  }
+  .fade-enter,
+  .fade-leave-to {
+    opacity: 0;
+  }
+}
+</style>

assets/components/Search.vue

@@ -0,0 +1,110 @@
+<template>
+  <div class="search columns is-gapless is-vcentered" v-show="showSearch" v-if="settings.search">
+    <div class="column">
+      <p class="control has-icons-left">
+        <input
+          class="input"
+          type="text"
+          placeholder="Find / RegEx"
+          ref="filter"
+          v-model="filter"
+          @keyup.esc="resetSearch()"
+        />
+        <span class="icon is-left">
+          <icon name="search"></icon>
+        </span>
+      </p>
+    </div>
+    <div class="column is-1 has-text-centered">
+      <button class="delete is-medium" @click="resetSearch()"></button>
+    </div>
+  </div>
+</template>
+
+<script>
+import { mapActions, mapState } from "vuex";
+import hotkeys from "hotkeys-js";
+import Icon from "./Icon";
+
+export default {
+  props: [],
+  name: "Search",
+  components: {
+    Icon,
+  },
+  data() {
+    return {
+      showSearch: false,
+    };
+  },
+  mounted() {
+    hotkeys("command+f, ctrl+f", (event, handler) => {
+      this.showSearch = true;
+      this.$nextTick(() => this.$refs.filter.focus() || this.$refs.filter.select());
+      event.preventDefault();
+    });
+    hotkeys("esc", (event, handler) => {
+      this.resetSearch();
+    });
+  },
+  methods: {
+    ...mapActions({
+      updateSearchFilter: "SET_SEARCH",
+    }),
+    resetSearch() {
+      this.showSearch = false;
+      this.filter = "";
+    },
+  },
+  computed: {
+    ...mapState(["searchFilter", "settings"]),
+    filter: {
+      get() {
+        return this.searchFilter;
+      },
+      set(value) {
+        this.updateSearchFilter(value);
+      },
+    },
+  },
+};
+</script>
+
+<style lang="scss" scoped>
+.search {
+  width: 350px;
+  position: fixed;
+  padding: 10px;
+  background: var(--scheme-main-ter);
+  top: 0;
+  right: 0;
+  border-radius: 0 0 0 5px;
+  z-index: 10;
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
+
+  button.delete {
+    margin-left: 1em;
+    background-color: var(--scheme-main-ter);
+    opacity: 0.6;
+    &:after,
+    &:before {
+      background-color: var(--text-color);
+    }
+
+    &:hover {
+      opacity: 1;
+    }
+  }
+
+  .icon {
+    padding: 10px 3px;
+  }
+
+  .input {
+    color: var(--body-color);
+    &::placeholder {
+      color: var(--border-color);
+    }
+  }
+}
+</style>

assets/components/SideMenu.vue

@@ -0,0 +1,110 @@
+<template>
+  <aside>
+    <div class="columns is-marginless">
+      <div class="column is-paddingless">
+        <router-link :to="{ name: 'default' }">
+          <svg class="logo">
+            <use href="#logo"></use>
+          </svg>
+        </router-link>
+      </div>
+      <div class="column is-narrow has-text-right x">
+        <router-link
+          :to="{ name: 'settings' }"
+          active-class="is-active"
+          class="button is-small is-rounded is-settings-control"
+        >
+          <span class="icon">
+            <icon name="cog"></icon>
+          </span>
+        </router-link>
+      </div>
+    </div>
+    <p class="menu-label is-hidden-mobile">Containers</p>
+    <ul class="menu-list is-hidden-mobile">
+      <li v-for="item in visibleContainers" :key="item.id" :class="item.state">
+        <router-link
+          :to="{ name: 'container', params: { id: item.id, name: item.name } }"
+          active-class="is-active"
+          :title="item.name"
+        >
+          <div class="is-ellipsis">
+            <span
+              @click.stop.prevent="appendActiveContainer(item)"
+              class="icon is-small will-append-container"
+              :class="{ 'is-active': activeContainersById[item.id] }"
+            >
+              <icon name="pin"></icon>
+            </span>
+            {{ item.name }}
+          </div>
+        </router-link>
+      </li>
+    </ul>
+  </aside>
+</template>
+
+<script>
+import { mapActions, mapGetters, mapState } from "vuex";
+
+import Icon from "./Icon";
+
+export default {
+  props: [],
+  name: "SideMenu",
+  components: {
+    Icon,
+  },
+  data() {
+    return {};
+  },
+  computed: {
+    ...mapGetters(["visibleContainers", "activeContainers"]),
+    activeContainersById() {
+      return this.activeContainers.reduce((map, obj) => {
+        map[obj.id] = obj;
+        return map;
+      }, {});
+    },
+  },
+  methods: {
+    ...mapActions({
+      appendActiveContainer: "APPEND_ACTIVE_CONTAINER",
+    }),
+  },
+};
+</script>
+<style scoped lang="scss">
+aside {
+  padding: 1em;
+  height: 100vh;
+  overflow: auto;
+  position: fixed;
+  width: inherit;
+
+  .is-hidden-mobile.is-active {
+    display: block !important;
+  }
+}
+
+li.exited a {
+  color: #777;
+}
+
+.logo {
+  width: 122px;
+  height: 54px;
+  fill: var(--logo-color);
+}
+
+.will-append-container.icon {
+  transition: transform 0.2s ease-out;
+  &.is-active {
+    pointer-events: none;
+    color: var(--primary-color);
+  }
+  .router-link-exact-active & {
+    visibility: hidden;
+  }
+}
+</style>

assets/components/__snapshots__/LogEventSource.spec.js.snap

@@ -0,0 +1,30 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`<LogEventSource /> renders correctly 1`] = `
+<div>
+  <div
+    class="infinte-loader"
+  >
+    <div
+      class="spinner"
+      style="display: none;"
+    >
+      <div
+        class="bounce1"
+      />
+       
+      <div
+        class="bounce2"
+      />
+       
+      <div
+        class="bounce3"
+      />
+    </div>
+  </div>
+   
+  <ul
+    class="events medium"
+  />
+</div>
+`;

assets/favicon.svg

@@ -0,0 +1,5 @@
+<svg width="128" height="128" viewBox="0 0 128 128" fill="none" xmlns="http://www.w3.org/2000/svg">
+<rect width="128" height="128" rx="6" fill="#222222"/>
+<path d="M82.3248 94.3863H123V104.093H67.8025V95.3506L106.164 44.3736H68.3808V34.5382H121.072V42.9594L82.3248 94.3863Z" fill="#FFDD57"/>
+<path d="M8 107.107L17.5656 14L43.8372 16.7013C51.9339 17.5338 58.9091 20.0604 64.7629 24.2812C70.6166 28.5019 74.8873 34.0893 77.5749 41.0432C80.3052 48.0016 81.2514 55.7674 80.4137 64.3407L79.8027 70.2877C78.9005 79.0698 76.4053 86.5894 72.3173 92.8468C68.2719 99.1084 62.914 103.684 56.2436 106.574C49.6158 109.468 42.1213 110.529 33.7602 109.755L8 107.107ZM28.8005 25.3655L21.3043 98.3288L34.2164 99.6565C43.6767 100.629 51.3299 98.4435 57.1758 93.0993C63.0644 87.7595 66.5671 79.6542 67.684 68.7832L68.2424 63.3477C69.3286 52.7752 67.6788 44.3123 63.293 37.9592C58.9542 31.5678 52.2295 27.8607 43.1188 26.8377L28.8005 25.3655Z" fill="#FFDD57"/>
+</svg>

assets/index.html

@@ -1,19 +0,0 @@
-<!DOCTYPE html>
-<html>
-
-<head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>Dozzle</title>
-    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bulma/0.7.2/css/bulma.min.css">
-    <script defer src="https://use.fontawesome.com/releases/v5.3.1/js/all.js"></script>
-</head>
-
-<body>
-    <section class="section is-fullwidth">
-        <div id="app"></div>
-    </section>
-    <script src="/main.js"></script>
-</body>
-
-</html>

assets/main.js

@@ -1,27 +1,60 @@
 import Vue from "vue";
 import VueRouter from "vue-router";
+import Meta from "vue-meta";
+import Dropdown from "buefy/dist/esm/dropdown";
+import Switch from "buefy/dist/esm/switch";
+import store from "./store";
+import config from "./store/config";
 import App from "./App.vue";
-import Index from "./pages/Index.vue";
-import Container from "./pages/Container.vue";
+import { Container, Settings, Index, Show, ContainerNotFound, PageNotFound } from "./pages";
 
 Vue.use(VueRouter);
+Vue.use(Meta);
+Vue.use(Dropdown);
+Vue.use(Switch);
 
 const routes = [
-  { path: "/", component: Index },
+  {
+    path: "/",
+    component: Index,
+    name: "default",
+  },
   {
     path: "/container/:id",
     component: Container,
     name: "container",
-    props: true
-  }
+    props: true,
+  },
+  {
+    path: "/container/*",
+    component: ContainerNotFound,
+    name: "container-not-found",
+  },
+  {
+    path: "/settings",
+    component: Settings,
+    name: "settings",
+  },
+  {
+    path: "/show",
+    component: Show,
+    name: "show",
+  },
+  {
+    path: "/*",
+    component: PageNotFound,
+    name: "page-not-found",
+  },
 ];
 
 const router = new VueRouter({
   mode: "history",
-  routes
+  base: config.base + "/",
+  routes,
 });
 
 new Vue({
   router,
-  render: h => h(App)
+  store,
+  render: (h) => h(App),
 }).$mount("#app");

assets/pages/Container.vue

@@ -1,70 +1,44 @@
-<template lang="html">
-    <ul ref="events" class="events"></ul>
+<template>
+  <log-container :id="id" show-title :scrollable="activeContainers.length > 0"> </log-container>
 </template>
 
 <script>
-import { formatRelative } from "date-fns";
-let ws;
+import { mapActions, mapGetters, mapState } from "vuex";
 
-const parseMessage = data => {
-  const date = new Date(data.substring(0, 30));
-  const dateRelative = formatRelative(date, new Date());
-  const message = data.substring(30);
-  return {
-    date,
-    dateRelative,
-    message
-  };
-};
+import LogContainer from "../components/LogContainer";
+import store from "../store";
 
 export default {
   props: ["id"],
   name: "Container",
-  mounted() {
-    ws = new WebSocket(`ws://${window.location.host}/api/logs?id=${this.id}`);
-    ws.onopen = e => console.log("Connection opened.");
-    ws.onclose = e => console.log("Connection closed.");
-    ws.onerror = e => console.error("Connection error: " + e.data);
-    ws.onmessage = e => {
-      const data = parseMessage(e.data);
-      const parent = this.$refs.events;
-      const item = document.createElement("li");
-      item.className = "event";
-
-      const date = document.createElement("span");
-      date.className = "date";
-      date.innerHTML = data.dateRelative;
-      item.appendChild(date);
-
-      const message = document.createElement("span");
-      message.className = "text";
-      message.innerHTML = data.message;
-      item.appendChild(message);
-
-      parent.appendChild(item);
-
-      this.$nextTick(() => item.scrollIntoView());
+  components: {
+    LogContainer,
+  },
+  data() {
+    return {
+      title: "loading",
     };
-  }
+  },
+  metaInfo() {
+    return {
+      title: this.title,
+    };
+  },
+  mounted() {
+    if (this.allContainersById[this.id]) {
+      this.title = this.allContainersById[this.id].name;
+    }
+  },
+  computed: {
+    ...mapGetters(["allContainersById", "activeContainers"]),
+  },
+  watch: {
+    id() {
+      this.title = this.allContainersById[this.id].name;
+    },
+    allContainersById() {
+      this.title = this.allContainersById[this.id].name;
+    },
+  },
 };
 </script>
-<style>
-.events {
-  color: #ddd;
-  background-color: #111;
-  padding: 10px;
-}
-
-.event {
-  font-family: monaco, monospace;
-  font-size: 12px;
-  line-height: 16px;
-  padding: 0 15px 0 30px;
-  word-wrap: break-word;
-}
-
-.date {
-  background-color: #262626;
-  color: #258ccd;
-}
-</style>

assets/pages/ContainerNotFound.vue

@@ -0,0 +1,18 @@
+<template>
+  <div class="hero is-halfheight">
+    <div class="hero-body">
+      <div class="container has-text-centered">
+        <h1 class="title">
+          Container not found.
+          <small class="subtitle">It may have been removed.</small>
+        </h1>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  name: "ContainerNotFound",
+};
+</script>

assets/pages/Index.vue

@@ -1,55 +1,149 @@
-<template lang="html">
-<div class="container">
-    <div class="content">
-        <section class="section">
-            <ul class="is-marginless is-paddless">
-                <li v-for="item in containers" class=" unstyled box">
-                    <router-link :to="{name: 'container', params: {id: item.Id}}" class="columns">
-                        <div class="column is-6">
-                            <h2 class="is-2 hide-overflow">{{ item.Names[0] }}</h2>
-                            <span class="subtitle is-6 code hide-overflow">{{ item.Command}}</span>
-                        </div>
-                        <div class="column is-4">
-                            <span class="code hide-overflow">{{ item.Image }}</span>
-                        </div>
-                        <div class="column is-narrow">
-                            <span class="subtitle is-7">{{ item.Status}}</span>
-                        </div>
-                    </router-link>
-                </li>
-            </ul>
-        </section>
-    </div>
-</div>
+<template>
+  <div>
+    <section class="hero is-small mt-4">
+      <div class="hero-body">
+        <div class="container">
+          <h1 class="title">Hello, there!</h1>
+        </div>
+      </div>
+    </section>
+    <section class="level section is-mobile">
+      <div class="level-item has-text-centered">
+        <div>
+          <p class="title">{{ containers.length }}</p>
+          <p class="heading">Total Containers</p>
+        </div>
+      </div>
+      <div class="level-item has-text-centered">
+        <div>
+          <p class="title">{{ runningContainers.length }}</p>
+          <p class="heading">Running</p>
+        </div>
+      </div>
+      <div class="level-item has-text-centered">
+        <div>
+          <p class="title">{{ version }}</p>
+          <p class="heading">Dozzle Version</p>
+        </div>
+      </div>
+    </section>
+
+    <section class="columns is-centered section">
+      <div class="column is-4">
+        <div class="panel">
+          <p class="panel-heading">Containers</p>
+          <div class="panel-block">
+            <p class="control has-icons-left">
+              <input
+                class="input"
+                type="text"
+                placeholder="Search Containers"
+                v-model="search"
+                @keyup.esc="search = null"
+                @keyup.enter="onEnter()"
+              />
+              <span class="icon is-left">
+                <icon name="search"></icon>
+              </span>
+            </p>
+          </div>
+          <p class="panel-tabs" v-if="!search">
+            <a :class="{ 'is-active': sort === 'running' }" @click="sort = 'running'">Running</a>
+            <a :class="{ 'is-active': sort === 'all' }" @click="sort = 'all'">All</a>
+          </p>
+          <router-link
+            :to="{ name: 'container', params: { id: item.id, name: item.name } }"
+            v-for="item in results.slice(0, 10)"
+            :key="item.id"
+            class="panel-block"
+          >
+            <span class="name">{{ item.name }}</span>
+
+            <div class="subtitle is-7 status">
+              <past-time :date="new Date(item.created * 1000)"></past-time>
+            </div>
+          </router-link>
+        </div>
+      </div>
+    </section>
+  </div>
 </template>
 
 <script>
+import { mapActions, mapGetters, mapState } from "vuex";
+import Icon from "../components/Icon";
+import PastTime from "../components/PastTime";
+import config from "../store/config";
+
 export default {
   name: "Index",
+  components: { Icon, PastTime },
   data() {
     return {
-      containers: []
+      version: config.version,
+      search: null,
+      sort: "running",
     };
   },
-  async created() {
-    this.containers = await (await fetch(`/api/containers.json`)).json();
-  }
+  methods: {
+    onEnter() {
+      if (this.results.length == 1) {
+        const [item] = this.results;
+        this.$router.push({ name: "container", params: { id: item.id, name: item.name } });
+      }
+    },
+  },
+  computed: {
+    ...mapState(["containers"]),
+    mostRecentContainers() {
+      return [...this.containers].sort((a, b) => b.created - a.created);
+    },
+    runningContainers() {
+      return this.mostRecentContainers.filter((c) => c.state === "running");
+    },
+    allContainers() {
+      return this.containers;
+    },
+    results() {
+      if (this.search) {
+        const term = this.search.toLowerCase();
+        return this.allContainers.filter((c) => c.name.toLowerCase().includes(term));
+      }
+      switch (this.sort) {
+        case "all":
+          return this.mostRecentContainers;
+        case "running":
+          return this.runningContainers;
+
+        default:
+          throw `Invalid sort order: ${this.sort}`;
+      }
+    },
+  },
 };
 </script>
-
-<style lang="css">
-.hide-overflow {
-  text-overflow: ellipsis;
-  white-space: nowrap;
-  overflow: hidden;
+<style lang="scss" scoped>
+.panel {
+  border: 1px solid var(--border-color);
+  .panel-block,
+  .panel-tabs {
+    border-color: var(--border-color);
+    .is-active {
+      border-color: var(--border-hover-color);
+    }
+    .name {
+      text-overflow: ellipsis;
+      white-space: nowrap;
+      overflow: hidden;
+    }
+    .status {
+      margin-left: auto;
+      white-space: nowrap;
+    }
+  }
 }
-.code {
-  background-color: #f5f5f5;
-  color: #ff3860;
-  font-size: 0.875em;
-  font-weight: 400;
-  padding: 0.25em 0.5em 0.25em;
-  display: block;
-  border-radius: 2px;
+
+.icon {
+  padding: 10px 3px;
 }
 </style>

assets/pages/PageNotFound.vue

@@ -0,0 +1,18 @@
+<template>
+  <div class="hero is-halfheight">
+    <div class="hero-body">
+      <div class="container has-text-centered">
+        <h1 class="title">
+          Oops,
+          <small class="subtitle">this page doesn't exist</small>
+        </h1>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  name: "PageNotFound",
+};
+</script>

assets/pages/Settings.vue

@@ -0,0 +1,176 @@
+<template>
+  <div>
+    <section class="section">
+      <div class="has-underline">
+        <h2 class="title is-4">About</h2>
+      </div>
+
+      <div>
+        You are using Dozzle <i>{{ currentVersion }}</i
+        >.
+        <span v-if="hasUpdate">
+          New version is available! Update to
+          <a :href="nextRelease.html_url" class="next-release" target="_blank" rel="noreferrer noopener">{{
+            nextRelease.name
+          }}</a
+          >.
+        </span>
+      </div>
+    </section>
+    <section class="section">
+      <div class="has-underline">
+        <h2 class="title is-4">Display</h2>
+      </div>
+      <div class="item">
+        <b-switch v-model="search">
+          Enable searching with Dozzle using <code>command+f</code> or <code>ctrl+f</code>
+        </b-switch>
+      </div>
+
+      <div class="item">
+        <b-switch v-model="smallerScrollbars">
+          Use smaller scrollbars
+        </b-switch>
+      </div>
+
+      <div class="item">
+        <b-switch v-model="showTimestamp">
+          Show timestamps
+        </b-switch>
+      </div>
+
+      <div class="item">
+        <b-switch v-model="showAllContainers">
+          Show stopped containers
+        </b-switch>
+      </div>
+
+      <div class="item">
+        <b-switch v-model="lightTheme">
+          Use light theme
+        </b-switch>
+      </div>
+
+      <div class="item">
+        <div class="columns is-vcentered is-mobile is-variable is-2">
+          <div class="column is-narrow">
+            <b-dropdown v-model="size" aria-role="list">
+              <button class="button is-primary" type="button" slot="trigger">
+                <span class="is-capitalized">{{ size }}</span>
+                <span class="icon"><icon name="chevron-down"></icon></span>
+              </button>
+              <b-dropdown-item
+                :value="value"
+                aria-role="listitem"
+                v-for="value in ['small', 'medium', 'large']"
+                :key="value"
+              >
+                <div class="media">
+                  <span class="icon keep-size">
+                    <icon name="check" v-if="value == size"></icon>
+                  </span>
+                  <div class="media-content">
+                    <h3 class="is-capitalized">{{ value }}</h3>
+                  </div>
+                </div>
+              </b-dropdown-item>
+            </b-dropdown>
+          </div>
+          <div class="column">
+            Font size to use for logs
+          </div>
+        </div>
+      </div>
+    </section>
+  </div>
+</template>
+
+<script>
+import gt from "semver/functions/gt";
+import valid from "semver/functions/valid";
+import { mapActions, mapState } from "vuex";
+import Icon from "../components/Icon";
+import config from "../store/config";
+
+export default {
+  props: [],
+  name: "Settings",
+  components: {
+    Icon,
+  },
+  data() {
+    return {
+      currentVersion: config.version,
+      nextRelease: null,
+      hasUpdate: false,
+    };
+  },
+  async created() {
+    const releases = await (await fetch("https://api.github.com/repos/amir20/dozzle/releases")).json();
+    if (this.currentVersion !== "dev") {
+      this.hasUpdate = gt(releases[0].tag_name, this.currentVersion);
+    } else {
+      this.hasUpdate = true;
+    }
+    this.nextRelease = releases[0];
+  },
+  metaInfo() {
+    return {
+      title: "Settings",
+    };
+  },
+  methods: {
+    ...mapActions({
+      updateSetting: "UPDATE_SETTING",
+    }),
+  },
+  computed: {
+    ...mapState(["settings"]),
+    ...["search", "size", "smallerScrollbars", "showTimestamp", "showAllContainers", "lightTheme"].reduce(
+      (map, name) => {
+        map[name] = {
+          get() {
+            return this.settings[name];
+          },
+          set(value) {
+            this.updateSetting({ [name]: value });
+          },
+        };
+        return map;
+      },
+      {}
+    ),
+  },
+};
+</script>
+<style lang="scss" scoped>
+.title {
+  color: var(--title-color);
+}
+
+a.next-release {
+  text-decoration: underline;
+  &:hover {
+    text-decoration: none;
+  }
+}
+
+.section {
+  padding: 1rem 1.5rem;
+}
+
+.has-underline {
+  border-bottom: 1px solid var(--border-color);
+  padding: 1em 0px;
+  margin-bottom: 1em;
+}
+
+.item {
+  padding: 1em 0;
+}
+
+code {
+  border-radius: 4px;
+  background-color: #444;
+}
+</style>

assets/pages/Show.vue

@@ -0,0 +1,29 @@
+<template> </template>
+
+<script>
+import { mapActions, mapGetters, mapState } from "vuex";
+export default {
+  props: [],
+  name: "Show",
+  computed: mapGetters(["visibleContainers"]),
+  watch: {
+    visibleContainers(newValue) {
+      if (newValue) {
+        if (this.$route.query.name) {
+          const [container, _] = this.visibleContainers.filter((c) => c.name == this.$route.query.name);
+          if (container) {
+            this.$router.push({ name: "container", params: { id: container.id } });
+          } else {
+            console.error(`No containers found matching name=${this.$route.query.name}. Redirecting to /`);
+            this.$router.push({ name: "default" });
+          }
+        } else {
+          console.error(`Expection query parameter name to be set. Redirecting to /`);
+          this.$router.push({ name: "default" });
+        }
+      }
+    },
+  },
+};
+</script>
+<style scoped></style>

assets/pages/index.js

@@ -0,0 +1,6 @@
+export { default as Index } from "./Index.vue";
+export { default as ContainerNotFound } from "./ContainerNotFound.vue";
+export { default as Show } from "./Show.vue";
+export { default as Container } from "./Container.vue";
+export { default as Settings } from "./Settings.vue";
+export { default as PageNotFound } from "./PageNotFound.vue";

assets/store/config.js

@@ -0,0 +1,9 @@
+const config = JSON.parse(document.querySelector("script#config__json").textContent);
+if (config.version == "{{ .Version }}") {
+  config.version = "dev";
+  config.base = "";
+} else {
+  config.version = config.version.replace(/^v/, "");
+}
+
+export default config;

assets/store/index.js

@@ -0,0 +1,109 @@
+import Vue from "vue";
+import Vuex from "vuex";
+import storage from "store/dist/store.modern";
+import { DEFAULT_SETTINGS, DOZZLE_SETTINGS_KEY } from "./settings";
+import config from "./config";
+
+Vue.use(Vuex);
+
+const mql = window.matchMedia("(max-width: 770px)");
+
+storage.set(DOZZLE_SETTINGS_KEY, { ...DEFAULT_SETTINGS, ...storage.get(DOZZLE_SETTINGS_KEY) });
+
+const state = {
+  containers: [],
+  activeContainerIds: [],
+  searchFilter: null,
+  isMobile: mql.matches,
+  settings: storage.get(DOZZLE_SETTINGS_KEY),
+};
+
+const mutations = {
+  SET_CONTAINERS(state, containers) {
+    const containersById = state.containers.reduce((map, obj) => {
+      map[obj.id] = obj;
+      return map;
+    }, {});
+
+    containers.forEach(
+      (container) =>
+        (container.stat =
+          containersById[container.id] && containersById[container.id].stat
+            ? containersById[container.id].stat
+            : { memoryUsage: 0, cpu: 0 })
+    );
+
+    state.containers = containers;
+  },
+  ADD_ACTIVE_CONTAINERS(state, { id }) {
+    state.activeContainerIds.push(id);
+  },
+  REMOVE_ACTIVE_CONTAINER(state, { id }) {
+    state.activeContainerIds.splice(state.activeContainerIds.indexOf(id), 1);
+  },
+  SET_SEARCH(state, filter) {
+    state.searchFilter = filter;
+  },
+  SET_MOBILE_WIDTH(state, value) {
+    state.isMobile = value;
+  },
+  UPDATE_SETTINGS(state, newValues) {
+    state.settings = { ...state.settings, ...newValues };
+    storage.set(DOZZLE_SETTINGS_KEY, state.settings);
+  },
+  UPDATE_STAT(state, { container, stat }) {
+    Vue.set(container, "stat", stat);
+  },
+};
+
+const actions = {
+  APPEND_ACTIVE_CONTAINER({ commit }, container) {
+    commit("ADD_ACTIVE_CONTAINERS", container);
+  },
+  REMOVE_ACTIVE_CONTAINER({ commit }, container) {
+    commit("REMOVE_ACTIVE_CONTAINER", container);
+  },
+  SET_SEARCH({ commit }, filter) {
+    commit("SET_SEARCH", filter);
+  },
+  UPDATE_SETTING({ commit }, setting) {
+    commit("UPDATE_SETTINGS", setting);
+  },
+  UPDATE_STATS({ commit, getters }, stat) {
+    const { allContainersById } = getters;
+    const container = allContainersById[stat.id];
+    if (container) {
+      commit("UPDATE_STAT", { container, stat });
+    }
+  },
+};
+const getters = {
+  allContainersById({ containers }) {
+    return containers.reduce((map, obj) => {
+      map[obj.id] = obj;
+      return map;
+    }, {});
+  },
+  visibleContainers({ containers, settings: { showAllContainers } }) {
+    const filter = showAllContainers ? () => true : (c) => c.state === "running";
+    return containers.filter(filter);
+  },
+  activeContainers({ activeContainerIds }, { allContainersById }) {
+    return activeContainerIds.map((id) => allContainersById[id]);
+  },
+};
+
+const es = new EventSource(`${config.base}/api/events/stream`);
+es.addEventListener("containers-changed", (e) => store.commit("SET_CONTAINERS", JSON.parse(e.data)), false);
+es.addEventListener("container-stat", (e) => store.dispatch("UPDATE_STATS", JSON.parse(e.data)), false);
+
+mql.addListener((e) => store.commit("SET_MOBILE_WIDTH", e.matches));
+
+const store = new Vuex.Store({
+  state,
+  getters,
+  actions,
+  mutations,
+});
+
+export default store;

assets/store/settings.js

@@ -0,0 +1,10 @@
+export const DOZZLE_SETTINGS_KEY = "DOZZLE_SETTINGS";
+export const DEFAULT_SETTINGS = {
+  search: true,
+  size: "medium",
+  menuWidth: 15,
+  smallerScrollbars: false,
+  showTimestamp: true,
+  showAllContainers: false,
+  lightTheme: false
+};

assets/styles.scss

@@ -0,0 +1,147 @@
+@charset "utf-8";
+@import "~bulma/sass/utilities/initial-variables.sass";
+
+$body-family: "Roboto", sans-serif;
+$body-background-color: var(--body-background-color);
+
+$scheme-main: var(--scheme-main);
+$scheme-main-bis: var(--scheme-main-bis);
+$scheme-main-ter: var(--scheme-main-ter);
+
+$border: var(--border-color);
+$border-hover: var(--border-hover-color);
+
+$menu-item-active-background-color: var(--menu-item-active-background-color);
+$menu-item-color: var(--menu-item-color);
+$menu-item-hover-background-color: var(--menu-item-hover-background-color);
+$menu-item-hover-color: var(--menu-item-hover-color);
+
+$text-strong: var(--text-strong-color);
+$text: var(--text-color);
+
+$panel-heading-background-color: var(--panel-heading-background-color);
+$panel-heading-color: var(--panel-heading-color);
+
+$link: $turquoise;
+$link-active: $grey-dark;
+
+@import "~bulma";
+@import "../node_modules/splitpanes/dist/splitpanes.css";
+@import "~buefy/src/scss/utils/_all";
+@import "~buefy/src/scss/components/_dropdown";
+@import "~buefy/src/scss/components/_switch";
+
+html {
+  --scheme-main: #{$black};
+  --scheme-main-bis: #{$black-bis};
+  --scheme-main-ter: #{$black-ter};
+
+  --border-color: #{$grey-darker};
+  --border-hover-color: var(--secondary-color);
+  --logo-color: var(--secondary-color);
+
+  --primary-color: #{$turquoise};
+  --secondary-color: #{$yellow};
+
+  --body-background-color: #{$black-bis};
+
+  --menu-item-active-background-color: var(--primary-color);
+  --menu-item-color: hsl(0, 6%, 87%);
+  --menu-item-hover-background-color: #{$white-ter};
+  --menu-item-hover-color: #{$black-ter};
+
+  --panel-heading-background-color: var(--secondary-color);
+  --panel-heading-color: var(--scheme-main-bis);
+
+  --text-strong-color: #{$grey-lightest};
+  --text-color: #{$grey-lighter};
+}
+
+[data-theme="light"] {
+  --scheme-main: #{$white};
+  --scheme-main-bis: #{$white-bis};
+  --scheme-main-ter: #{$white-ter};
+
+  --border-color: #{$grey-lighter};
+  --border-hover-color: var(--secondary-color);
+  --logo-color: #{$grey-darker};
+
+  --primary-color: #{$turquoise};
+  --secondary-color: #d8f0ca;
+
+  --body-background-color: #{$white-bis};
+  --body-color: #{$grey-darker};
+
+  --menu-item-color: #{$grey-dark};
+  --menu-item-hover-background-color: #eee8e7;
+  --menu-item-hover-color: #{black-ter};
+
+  --panel-heading-background-color: var(--secondary-color);
+  --panel-heading-color: var(--text-strong-color);
+
+  --text-strong-color: #{$grey-dark};
+  --text-color: #{$grey-darker};
+}
+
+html {
+  overflow-x: unset;
+  overflow-y: unset;
+  scroll-snap-type: y proximity;
+}
+
+html.has-custom-scrollbars {
+  ::-webkit-scrollbar {
+    width: 8px;
+    display: content;
+  }
+
+  ::-webkit-scrollbar-thumb {
+    background-color: rgba(128, 128, 128, 0.33);
+    outline: 1px solid slategrey;
+    border-radius: 4px;
+  }
+
+  ::-webkit-scrollbar-thumb:active {
+    background-color: #777;
+  }
+
+  ::-webkit-scrollbar-track {
+    background-color: transparent;
+  }
+
+  ::-webkit-scrollbar-track:hover {
+    background-color: rgba(64, 64, 64, 0.33);
+  }
+
+  section main {
+    scrollbar-color: #353535 transparent;
+    scrollbar-width: thin;
+  }
+}
+
+.is-settings-control {
+  background: rgba(0, 0, 0, 0.4);
+  color: #fff;
+  border-color: transparent;
+  &:hover {
+    border-color: var(--border-hover-color) !important;
+    background: rgba(0, 0, 0, 0.8) !important;
+    color: #fff !important;
+  }
+
+  &:focus {
+    box-shadow: none !important;
+    color: unset;
+    border-color: transparent;
+  }
+}
+
+.splitpanes__pane {
+  overflow: unset;
+}
+
+.is-ellipsis {
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  overflow: hidden;
+}

docker/client.go

@@ -0,0 +1,276 @@
+package docker
+
+import (
+	"bufio"
+	"bytes"
+	"context"
+	"encoding/binary"
+	"encoding/json"
+	"fmt"
+	"io"
+	"sort"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/events"
+	"github.com/docker/docker/api/types/filters"
+	"github.com/docker/docker/client"
+	log "github.com/sirupsen/logrus"
+)
+
+type dockerClient struct {
+	cli     dockerProxy
+	filters filters.Args
+}
+
+type dockerProxy interface {
+	ContainerList(context.Context, types.ContainerListOptions) ([]types.Container, error)
+	ContainerLogs(context.Context, string, types.ContainerLogsOptions) (io.ReadCloser, error)
+	Events(context.Context, types.EventsOptions) (<-chan events.Message, <-chan error)
+	ContainerInspect(ctx context.Context, containerID string) (types.ContainerJSON, error)
+	ContainerStats(ctx context.Context, containerID string, stream bool) (types.ContainerStats, error)
+}
+
+// Client is a proxy around the docker client
+type Client interface {
+	ListContainers() ([]Container, error)
+	FindContainer(string) (Container, error)
+	ContainerLogs(context.Context, string, int, string) (<-chan string, <-chan error)
+	Events(context.Context) (<-chan events.Message, <-chan error)
+	ContainerLogsBetweenDates(context.Context, string, time.Time, time.Time) ([]string, error)
+	ContainerStats(context.Context, string, chan<- ContainerStat) error
+}
+
+// NewClient creates a new instance of Client
+func NewClient() Client {
+	return NewClientWithFilters(map[string]string{})
+}
+
+// NewClientWithFilters creates a new instance of Client with docker filters
+func NewClientWithFilters(f map[string]string) Client {
+	filterArgs := filters.NewArgs()
+	for k, v := range f {
+		filterArgs.Add(k, v)
+	}
+
+	log.Debugf("filterArgs = %v", filterArgs)
+
+	cli, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
+
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return &dockerClient{cli, filterArgs}
+}
+
+func (d *dockerClient) FindContainer(id string) (Container, error) {
+	var container Container
+	containers, err := d.ListContainers()
+	if err != nil {
+		return container, err
+	}
+
+	found := false
+	for _, c := range containers {
+		if c.ID == id {
+			container = c
+			found = true
+			break
+		}
+	}
+	if found == false {
+		return container, fmt.Errorf("Unable to find container with id: %s", id)
+	}
+
+	return container, nil
+}
+
+func (d *dockerClient) ListContainers() ([]Container, error) {
+	containerListOptions := types.ContainerListOptions{
+		Filters: d.filters,
+		All:     true,
+	}
+	list, err := d.cli.ContainerList(context.Background(), containerListOptions)
+	if err != nil {
+		return nil, err
+	}
+
+	var containers = make([]Container, 0, len(list))
+	for _, c := range list {
+		container := Container{
+			ID:      c.ID[:12],
+			Names:   c.Names,
+			Name:    strings.TrimPrefix(c.Names[0], "/"),
+			Image:   c.Image,
+			ImageID: c.ImageID,
+			Command: c.Command,
+			Created: c.Created,
+			State:   c.State,
+			Status:  c.Status,
+		}
+		containers = append(containers, container)
+	}
+
+	sort.Slice(containers, func(i, j int) bool {
+		return strings.ToLower(containers[i].Name) < strings.ToLower(containers[j].Name)
+	})
+
+	return containers, nil
+}
+
+func logReader(reader io.ReadCloser, tty bool) func() (string, error) {
+	if tty {
+		scanner := bufio.NewScanner(reader)
+		return func() (string, error) {
+			if scanner.Scan() {
+				return scanner.Text(), nil
+			}
+
+			return "", io.EOF
+		}
+	}
+	hdr := make([]byte, 8)
+	var buffer bytes.Buffer
+	return func() (string, error) {
+		buffer.Reset()
+		_, err := reader.Read(hdr)
+		if err != nil {
+			return "", err
+		}
+		count := binary.BigEndian.Uint32(hdr[4:])
+		_, err = io.CopyN(&buffer, reader, int64(count))
+		if err != nil {
+			return "", err
+		}
+		return strings.TrimSpace(buffer.String()), nil
+	}
+}
+
+func (d *dockerClient) ContainerStats(ctx context.Context, id string, stats chan<- ContainerStat) error {
+	response, err := d.cli.ContainerStats(ctx, id, true)
+
+	if err != nil {
+		return err
+	}
+
+	go func() {
+		defer response.Body.Close()
+		decoder := json.NewDecoder(response.Body)
+		var v *types.StatsJSON
+		for {
+			if err := decoder.Decode(&v); err != nil {
+				if err == context.Canceled || err == io.EOF {
+					log.Debugf("stopping stats streaming for container %s", id)
+					break
+				}
+				log.Errorf("decoder for stats api returned an unknown error %v", err)
+			}
+
+			var (
+				cpuDelta    = float64(v.CPUStats.CPUUsage.TotalUsage) - float64(v.PreCPUStats.CPUUsage.TotalUsage)
+				systemDelta = float64(v.CPUStats.SystemUsage) - float64(v.PreCPUStats.SystemUsage)
+				cpuPercent  = int64((cpuDelta / systemDelta) * float64(len(v.CPUStats.CPUUsage.PercpuUsage)) * 100)
+				memUsage    = int64(v.MemoryStats.Usage - v.MemoryStats.Stats["cache"])
+				memPercent  = int64(float64(memUsage) / float64(v.MemoryStats.Limit) * 100)
+			)
+
+			if cpuPercent > 0 || memUsage > 0 {
+				stats <- ContainerStat{
+					ID:            id,
+					CPUPercent:    cpuPercent,
+					MemoryPercent: memPercent,
+					MemoryUsage:   memUsage,
+				}
+			}
+		}
+	}()
+
+	return nil
+}
+
+func (d *dockerClient) ContainerLogs(ctx context.Context, id string, tailSize int, since string) (<-chan string, <-chan error) {
+	log.WithField("id", id).WithField("since", since).Debug("Streaming logs for container")
+
+	options := types.ContainerLogsOptions{
+		ShowStdout: true,
+		ShowStderr: true,
+		Follow:     true,
+		Tail:       strconv.Itoa(tailSize),
+		Timestamps: true,
+		Since:      since,
+	}
+	reader, err := d.cli.ContainerLogs(ctx, id, options)
+	errChannel := make(chan error, 1)
+
+	if err != nil {
+		errChannel <- err
+		close(errChannel)
+		return nil, errChannel
+	}
+
+	messages := make(chan string)
+	go func() {
+		<-ctx.Done()
+		reader.Close()
+	}()
+
+	containerJSON, _ := d.cli.ContainerInspect(ctx, id)
+
+	go func() {
+		defer close(messages)
+		defer close(errChannel)
+		defer reader.Close()
+		nextEntry := logReader(reader, containerJSON.Config.Tty)
+		for {
+			line, err := nextEntry()
+			if err != nil {
+				errChannel <- err
+				break
+			}
+			select {
+			case messages <- line:
+			case <-ctx.Done():
+			}
+		}
+	}()
+
+	return messages, errChannel
+}
+
+func (d *dockerClient) Events(ctx context.Context) (<-chan events.Message, <-chan error) {
+	return d.cli.Events(ctx, types.EventsOptions{})
+}
+
+func (d *dockerClient) ContainerLogsBetweenDates(ctx context.Context, id string, from time.Time, to time.Time) ([]string, error) {
+	options := types.ContainerLogsOptions{
+		ShowStdout: true,
+		ShowStderr: true,
+		Timestamps: true,
+		Since:      strconv.FormatInt(from.Unix(), 10),
+		Until:      strconv.FormatInt(to.Unix(), 10),
+	}
+	reader, _ := d.cli.ContainerLogs(ctx, id, options)
+	defer reader.Close()
+
+	containerJSON, _ := d.cli.ContainerInspect(ctx, id)
+
+	nextEntry := logReader(reader, containerJSON.Config.Tty)
+
+	var messages []string
+	for {
+		line, err := nextEntry()
+		if err != nil {
+			if err == io.EOF {
+				break
+			} else {
+				return nil, err
+			}
+		}
+		messages = append(messages, line)
+	}
+
+	return messages, nil
+}

docker/client_test.go

@@ -0,0 +1,235 @@
+package docker
+
+import (
+	"bytes"
+	"context"
+	"encoding/binary"
+	"errors"
+	"io"
+	"io/ioutil"
+	"testing"
+
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/container"
+	"github.com/docker/docker/api/types/filters"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+type mockedProxy struct {
+	mock.Mock
+	dockerProxy
+}
+
+func (m *mockedProxy) ContainerList(context.Context, types.ContainerListOptions) ([]types.Container, error) {
+	args := m.Called()
+	containers, ok := args.Get(0).([]types.Container)
+	if !ok && args.Get(0) != nil {
+		panic("containers is not of type []types.Container")
+	}
+	return containers, args.Error(1)
+
+}
+
+func (m *mockedProxy) ContainerLogs(ctx context.Context, id string, options types.ContainerLogsOptions) (io.ReadCloser, error) {
+	args := m.Called(ctx, id, options)
+	reader, ok := args.Get(0).(io.ReadCloser)
+	if !ok && args.Get(0) != nil {
+		panic("reader is not of type io.ReadCloser")
+	}
+	return reader, args.Error(1)
+}
+
+func (m *mockedProxy) ContainerInspect(ctx context.Context, containerID string) (types.ContainerJSON, error) {
+	args := m.Called(ctx, containerID)
+	json, ok := args.Get(0).(types.ContainerJSON)
+	if !ok && args.Get(0) != nil {
+		panic("proxies return value is not of type types.ContainerJSON")
+	}
+
+	return json, args.Error(1)
+}
+
+func (m *mockedProxy) ContainerStats(ctx context.Context, containerID string, stream bool) (types.ContainerStats, error) {	
+	return types.ContainerStats{}, nil
+}
+
+func Test_dockerClient_ListContainers_null(t *testing.T) {
+	proxy := new(mockedProxy)
+	proxy.On("ContainerList", mock.Anything, mock.Anything).Return(nil, nil)
+	client := &dockerClient{proxy, filters.NewArgs()}
+
+	list, err := client.ListContainers()
+	assert.Empty(t, list, "list should be empty")
+	require.NoError(t, err, "error should not return an error.")
+
+	proxy.AssertExpectations(t)
+}
+
+func Test_dockerClient_ListContainers_error(t *testing.T) {
+	proxy := new(mockedProxy)
+	proxy.On("ContainerList", mock.Anything, mock.Anything).Return(nil, errors.New("test"))
+	client := &dockerClient{proxy, filters.NewArgs()}
+
+	list, err := client.ListContainers()
+	assert.Nil(t, list, "list should be nil")
+	require.Error(t, err, "test.")
+
+	proxy.AssertExpectations(t)
+}
+
+func Test_dockerClient_ListContainers_happy(t *testing.T) {
+	containers := []types.Container{
+		{
+			ID:    "abcdefghijklmnopqrst",
+			Names: []string{"/z_test_container"},
+		},
+		{
+			ID:    "1234567890_abcxyzdef",
+			Names: []string{"/a_test_container"},
+		},
+	}
+
+	proxy := new(mockedProxy)
+	proxy.On("ContainerList", mock.Anything, mock.Anything).Return(containers, nil)
+	client := &dockerClient{proxy, filters.NewArgs()}
+
+	list, err := client.ListContainers()
+	require.NoError(t, err, "error should not return an error.")
+
+	assert.Equal(t, list, []Container{
+		{
+			ID:    "1234567890_a",
+			Name:  "a_test_container",
+			Names: []string{"/a_test_container"},
+		},
+		{
+			ID:    "abcdefghijkl",
+			Name:  "z_test_container",
+			Names: []string{"/z_test_container"},
+		},
+	})
+
+	proxy.AssertExpectations(t)
+}
+
+func Test_dockerClient_ContainerLogs_happy(t *testing.T) {
+	id := "123456"
+
+	proxy := new(mockedProxy)
+	expected := "INFO Testing logs..."
+	b := make([]byte, 8)
+
+	binary.BigEndian.PutUint32(b[4:], uint32(len(expected)))
+	b = append(b, []byte(expected)...)
+
+	reader := ioutil.NopCloser(bytes.NewReader(b))
+	options := types.ContainerLogsOptions{ShowStdout: true, ShowStderr: true, Follow: true, Tail: "300", Timestamps: true, Since: "since"}
+	proxy.On("ContainerLogs", mock.Anything, id, options).Return(reader, nil)
+
+	json := types.ContainerJSON{Config: &container.Config{Tty: false}}
+	proxy.On("ContainerInspect", mock.Anything, id).Return(json, nil)
+
+	client := &dockerClient{proxy, filters.NewArgs()}
+	messages, _ := client.ContainerLogs(context.Background(), id, 300, "since")
+
+	actual, _ := <-messages
+	assert.Equal(t, expected, actual, "message doesn't match expected")
+
+	_, ok := <-messages
+	assert.False(t, ok, "channel should have been closed")
+	proxy.AssertExpectations(t)
+}
+
+func Test_dockerClient_ContainerLogs_happy_with_tty(t *testing.T) {
+	id := "123456"
+
+	proxy := new(mockedProxy)
+	expected := "INFO Testing logs..."
+
+	reader := ioutil.NopCloser(bytes.NewReader([]byte(expected)))
+	options := types.ContainerLogsOptions{ShowStdout: true, ShowStderr: true, Follow: true, Tail: "300", Timestamps: true}
+	proxy.On("ContainerLogs", mock.Anything, id, options).Return(reader, nil)
+
+	json := types.ContainerJSON{Config: &container.Config{Tty: true}}
+	proxy.On("ContainerInspect", mock.Anything, id).Return(json, nil)
+
+	client := &dockerClient{proxy, filters.NewArgs()}
+	messages, _ := client.ContainerLogs(context.Background(), id, 300, "")
+
+	actual, _ := <-messages
+	assert.Equal(t, expected, actual, "message doesn't match expected")
+
+	_, ok := <-messages
+	assert.False(t, ok, "channel should have been closed")
+	proxy.AssertExpectations(t)
+}
+
+func Test_dockerClient_ContainerLogs_error(t *testing.T) {
+	id := "123456"
+	proxy := new(mockedProxy)
+
+	proxy.On("ContainerLogs", mock.Anything, id, mock.Anything).Return(nil, errors.New("test"))
+
+	client := &dockerClient{proxy, filters.NewArgs()}
+
+	messages, err := client.ContainerLogs(context.Background(), id, 300, "")
+
+	assert.Nil(t, messages, "messages should be nil")
+
+	e, _ := <-err
+	assert.Error(t, e, "error should have been returned")
+	_, ok := <-err
+	assert.False(t, ok, "error channel should have been closed")
+	proxy.AssertExpectations(t)
+}
+
+func Test_dockerClient_FindContainer_happy(t *testing.T) {
+	containers := []types.Container{
+		{
+			ID:    "abcdefghijklmnopqrst",
+			Names: []string{"/z_test_container"},
+		},
+		{
+			ID:    "1234567890_abcxyzdef",
+			Names: []string{"/a_test_container"},
+		},
+	}
+
+	proxy := new(mockedProxy)
+	proxy.On("ContainerList", mock.Anything, mock.Anything).Return(containers, nil)
+	client := &dockerClient{proxy, filters.NewArgs()}
+
+	container, err := client.FindContainer("abcdefghijkl")
+	require.NoError(t, err, "error should not be thrown")
+
+	assert.Equal(t, container, Container{
+		ID:    "abcdefghijkl",
+		Name:  "z_test_container",
+		Names: []string{"/z_test_container"},
+	})
+
+	proxy.AssertExpectations(t)
+}
+func Test_dockerClient_FindContainer_error(t *testing.T) {
+	containers := []types.Container{
+		{
+			ID:    "abcdefghijklmnopqrst",
+			Names: []string{"/z_test_container"},
+		},
+		{
+			ID:    "1234567890_abcxyzdef",
+			Names: []string{"/a_test_container"},
+		},
+	}
+
+	proxy := new(mockedProxy)
+	proxy.On("ContainerList", mock.Anything, mock.Anything).Return(containers, nil)
+	client := &dockerClient{proxy, filters.NewArgs()}
+
+	_, err := client.FindContainer("not_valid")
+	require.Error(t, err, "error should be thrown")
+
+	proxy.AssertExpectations(t)
+}

docker/types.go

@@ -0,0 +1,22 @@
+package docker
+
+// Container represents an internal representation of docker containers
+type Container struct {
+	ID      string   `json:"id"`
+	Names   []string `json:"names"`
+	Name    string   `json:"name"`
+	Image   string   `json:"image"`
+	ImageID string   `json:"imageId"`
+	Command string   `json:"command"`
+	Created int64    `json:"created"`
+	State   string   `json:"state"`
+	Status  string   `json:"status"`
+}
+
+// ContainerStat represent stats instant for a container
+type ContainerStat struct {
+	ID            string `json:"id"`
+	CPUPercent    int64  `json:"cpu"`
+	MemoryPercent int64  `json:"memory"`
+	MemoryUsage   int64  `json:"memoryUsage"`
+}

go.mod

@@ -0,0 +1,55 @@
+module github.com/amir20/dozzle
+
+replace github.com/docker/docker v0.0.0-20190827232753-32688a47f341 => github.com/docker/engine v0.0.0-20190827232753-32688a47f341
+
+// github.com/docker/engine v19.06.1-ce
+replace github.com/docker/docker => github.com/docker/engine v0.0.0-20190827232753-32688a47f341
+
+// github.com/docker/distribution master
+// a proper tagged release is expected in early fall(September 2018)
+// see; https://github.com/docker/distribution/issues/2693
+replace github.com/docker/distribution => github.com/docker/distribution v0.0.0-20190711223531-1fb7fffdb266
+
+require (
+	github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 // indirect
+	github.com/Microsoft/go-winio v0.4.14 // indirect
+	github.com/beme/abide v0.0.0-20190723115211-635a09831760
+	github.com/containerd/containerd v1.4.0 // indirect
+	github.com/docker/distribution v2.7.1+incompatible // indirect
+	github.com/docker/docker v0.0.0-20190827232753-32688a47f341
+	github.com/docker/go-connections v0.4.0 // indirect
+	github.com/docker/go-units v0.4.0 // indirect
+	github.com/fsnotify/fsnotify v1.4.9 // indirect
+	github.com/gobuffalo/envy v1.9.0 // indirect
+	github.com/gobuffalo/packd v1.0.0 // indirect
+	github.com/gobuffalo/packr v1.30.1
+	github.com/gogo/protobuf v1.3.1 // indirect
+	github.com/golang/protobuf v1.4.2 // indirect
+	github.com/gorilla/mux v1.8.0
+	github.com/magiconair/properties v1.8.2
+	github.com/mitchellh/mapstructure v1.3.3 // indirect
+	github.com/morikuni/aec v0.0.0-20170113033406-39771216ff4c // indirect
+	github.com/opencontainers/go-digest v1.0.0 // indirect
+	github.com/opencontainers/image-spec v1.0.1 // indirect
+	github.com/pelletier/go-toml v1.8.0 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/rogpeppe/go-internal v1.6.2 // indirect
+	github.com/sergi/go-diff v1.0.0 // indirect
+	github.com/sirupsen/logrus v1.6.0
+	github.com/spf13/afero v1.3.5 // indirect
+	github.com/spf13/cast v1.3.1 // indirect
+	github.com/spf13/jwalterweatherman v1.1.0 // indirect
+	github.com/spf13/pflag v1.0.5
+	github.com/spf13/viper v1.7.1
+	github.com/stretchr/objx v0.2.0 // indirect
+	github.com/stretchr/testify v1.6.1
+	golang.org/x/net v0.0.0-20200904194848-62affa334b73 // indirect
+	golang.org/x/sys v0.0.0-20200905004654-be1d3432aa8f // indirect
+	google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d // indirect
+	google.golang.org/grpc v1.31.1
+	google.golang.org/protobuf v1.25.0 // indirect
+	gopkg.in/ini.v1 v1.61.0 // indirect
+	gotest.tools v2.2.0+incompatible // indirect
+)
+
+go 1.14

go.sum

@@ -0,0 +1,570 @@
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+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
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integration/.dockerignore

@@ -0,0 +1 @@
+node_modules

integration/.gitignore

@@ -0,0 +1 @@
+__diff_output__

integration/Dockerfile

@@ -0,0 +1,8 @@
+FROM amir20/docker-alpine-puppeteer:v1
+
+COPY package*.json yarn.lock /app/
+RUN yarn
+
+COPY . /app/
+
+CMD ["yarn", "test"]

integration/__tests__/custom_base.js

@@ -0,0 +1,22 @@
+const { removeTimes } = require("../utils");
+const { CUSTOM_URL: URL } = process.env;
+
+describe("Dozzle with custom base", () => {
+  beforeEach(async () => {
+    await page.goto(URL, { waitUntil: "networkidle2" });
+  });
+
+  it("renders full page on desktop", async () => {
+    await removeTimes(page);
+    const image = await page.screenshot({ fullPage: true });
+
+    expect(image).toMatchImageSnapshot();
+  });
+
+  it("and shows one container with correct title", async () => {
+    await removeTimes(page);
+    const menuTitle = await page.$eval("aside ul.menu-list li a", (e) => e.title);
+
+    expect(menuTitle).toEqual("custom_base");
+  });
+});

integration/__tests__/default.js

@@ -0,0 +1,76 @@
+const puppeteer = require("puppeteer");
+const { removeTimes } = require("../utils");
+const iPhoneX = puppeteer.devices["iPhone X"];
+const iPadLandscape = puppeteer.devices["iPad landscape"];
+
+const { DEFAULT_URL: URL } = process.env;
+
+describe("home page", () => {
+  beforeEach(async () => {
+    await page.goto(URL, { waitUntil: "networkidle2" });
+  });
+
+  it("renders full page on desktop", async () => {
+    await removeTimes(page);
+    const image = await page.screenshot({ fullPage: true });
+
+    expect(image).toMatchImageSnapshot();
+  });
+
+  it("renders ipad viewport", async () => {
+    await page.emulate(iPadLandscape);
+    await removeTimes(page);
+    const image = await page.screenshot();
+
+    expect(image).toMatchImageSnapshot();
+  });
+
+  it("renders iphone viewport", async () => {
+    await page.emulate(iPhoneX);
+    await removeTimes(page);
+    const image = await page.screenshot();
+
+    expect(image).toMatchImageSnapshot();
+  });
+
+  it("displays iphone menu", async () => {
+    await page.emulate(iPhoneX);
+    await page.click("a.navbar-burger");
+
+    const menuText = await page.$eval("aside ul.menu-list.is-hidden-mobile li a", (e) => e.textContent);
+    expect(menuText.trim()).toEqual("dozzle");
+  });
+
+  describe("has menu visible", () => {
+    beforeAll(async () => {
+      await jestPuppeteer.resetBrowser();
+    });
+
+    beforeEach(async () => {
+      await page.goto(URL, { waitUntil: "networkidle2" });
+    });
+
+    it("and shows one container with correct title", async () => {
+      const menuTitle = await page.$eval("aside ul.menu-list li a", (e) => e.title);
+
+      expect(menuTitle).toEqual("dozzle");
+    });
+
+    it("and menu is clickable", async () => {
+      await page.click("aside ul.menu-list li a");
+
+      const className = await page.$eval("aside ul.menu-list li a", (e) => e.className);
+
+      expect(className).toContain("router-link-exact-active");
+    });
+
+    it("and when clicked shows logs", async () => {
+      await page.click("aside ul.menu-list li a");
+
+      await page.waitForSelector("ul.events li span.text");
+      const text = await page.$eval("ul.events li:nth-child(2) span.text", (e) => e.textContent);
+
+      expect(text).toContain("Dozzle version dev");
+    });
+  });
+});

integration/__tests__/light_mode.js

@@ -0,0 +1,41 @@
+const puppeteer = require("puppeteer");
+const { removeTimes } = require("../utils");
+const iPhoneX = puppeteer.devices["iPhone X"];
+const iPadLandscape = puppeteer.devices["iPad landscape"];
+
+const { DEFAULT_URL: URL } = process.env;
+
+describe("Dozzle with light mode", () => {
+  beforeAll(async () => {
+    await page.goto(URL + "/settings", { waitUntil: "networkidle2" });
+    await page.$$eval("label.switch", (elements) => {
+      elements.filter((e) => e.textContent.trim() === "Use light theme")[0].click();
+    });
+  });
+  beforeEach(async () => {
+    await page.goto(URL, { waitUntil: "networkidle2" });
+  });
+
+  it("renders full page on desktop", async () => {
+    await removeTimes(page);
+    const image = await page.screenshot({ fullPage: true });
+
+    expect(image).toMatchImageSnapshot();
+  });
+
+  it("renders ipad viewport", async () => {
+    await page.emulate(iPadLandscape);
+    await removeTimes(page);
+    const image = await page.screenshot();
+
+    expect(image).toMatchImageSnapshot();
+  });
+
+  it("renders iphone viewport", async () => {
+    await page.emulate(iPhoneX);
+    await removeTimes(page);
+    const image = await page.screenshot();
+
+    expect(image).toMatchImageSnapshot();
+  });
+});

integration/docker-compose.test.yml

@@ -0,0 +1,31 @@
+version: "3.4"
+services:
+  custom_base:
+    container_name: custom_base
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+    environment:
+      - DOZZLE_FILTER=name=custom_base
+      - DOZZLE_BASE=/foobarbase
+    build:
+      context: ..
+  dozzle:
+    container_name: dozzle
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+    environment:
+      - DOZZLE_FILTER=name=dozzle
+    build:
+      context: ..
+  integration:
+    build:
+      context: .
+    command: yarn test
+    volumes:
+      - ./__tests__:/app/__tests__
+    environment:
+      - DEFAULT_URL=http://dozzle:8080/
+      - CUSTOM_URL=http://custom_base:8080/foobarbase
+    depends_on:
+      - dozzle
+      - custom_base

integration/jest-puppeteer.config.js

@@ -0,0 +1,9 @@
+module.exports = {
+  launch: {
+    headless: process.env.HEADLESS !== "false",
+    defaultViewport: { width: 1920, height: 1200 },
+    args: ["--no-sandbox", "--disable-setuid-sandbox"],
+    executablePath: process.env.CHROME_EXE_PATH || "",
+  },
+  browserContext: "incognito",
+};

integration/jest-setup.js

@@ -0,0 +1,5 @@
+const { toMatchImageSnapshot } = require("jest-image-snapshot");
+
+expect.extend({ toMatchImageSnapshot });
+
+jest.setTimeout(5000);

integration/package.json

@@ -0,0 +1,24 @@
+{
+ "name": "test",
+ "version": "1.0.0",
+ "description": "",
+ "scripts": {
+  "test": "jest"
+ },
+ "author": "",
+ "license": "ISC",
+ "dependencies": {
+  "jest": "^26.0.1",
+  "jest-image-snapshot": "^4.0.0",
+  "puppeteer": "^5.0.0"
+ },
+ "jest": {
+  "preset": "jest-puppeteer",
+  "setupFilesAfterEnv": [
+   "<rootDir>/jest-setup.js"
+  ]
+ },
+ "devDependencies": {
+  "jest-puppeteer": "^4.4.0"
+ }
+}

integration/utils.js

@@ -0,0 +1,8 @@
+async function removeTimes(page) {
+  await page.waitForSelector("time");
+  await page.evaluate(() => {
+    (document.querySelectorAll("time") || []).forEach((el) => el.remove());
+  });
+}
+
+module.exports = { removeTimes };

jest.config.js

@@ -0,0 +1,13 @@
+module.exports = {
+  clearMocks: true,
+  moduleFileExtensions: ["js", "json", "vue"],
+  coveragePathIgnorePatterns: ["node_modules"],
+  testPathIgnorePatterns: ["node_modules", "<rootDir>/integration/"],
+  transformIgnorePatterns: ["node_modules"],
+  watchPathIgnorePatterns: ["<rootDir>/node_modules/"],
+  snapshotSerializers: ["jest-serializer-vue"],
+  transform: {
+    ".*\\.vue$": "vue-jest",
+    "^.+\\.js$": "babel-jest",
+  },
+};

main.go

@@ -2,94 +2,105 @@ package main
 
 import (
 	"context"
-	"encoding/binary"
-	"encoding/json"
-	"flag"
-	"log"
 	"net/http"
+	"net/url"
+	"os"
+	"os/signal"
+	"strings"
+	"time"
 
-	"github.com/docker/docker/api/types"
-	"github.com/docker/docker/client"
+	"github.com/amir20/dozzle/docker"
 	"github.com/gobuffalo/packr"
-	"github.com/gorilla/websocket"
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/pflag"
+	"github.com/spf13/viper"
 )
 
 var (
-	cli      *client.Client
-	addr     = flag.String("addr", ":8080", "http service address")
-	upgrader = websocket.Upgrader{}
+	addr     = ""
+	base     = ""
+	level    = ""
+	showAll  = false
+	tailSize = 300
+	filters  map[string]string
 	version  = "dev"
-	commit   = "none"
-	date     = "unknown"
 )
 
+type handler struct {
+	client docker.Client
+	box    packr.Box
+}
+
 func init() {
-	var err error
-	cli, err = client.NewClientWithOpts(client.FromEnv)
-	if err != nil {
-		log.Fatal(err)
+	pflag.String("addr", ":8080", "http service address")
+	pflag.String("base", "/", "base address of the application to mount")
+	pflag.String("level", "info", "logging level")
+	pflag.Int("tailSize", 300, "Tail size to use for initial container logs")
+	pflag.StringToStringVar(&filters, "filter", map[string]string{}, "Container filters to use for showing logs")
+	pflag.Parse()
+
+	viper.AutomaticEnv()
+	viper.SetEnvPrefix("DOZZLE")
+	viper.BindPFlags(pflag.CommandLine)
+
+	addr = viper.GetString("addr")
+	base = viper.GetString("base")
+	level = viper.GetString("level")
+	tailSize = viper.GetInt("tailSize")
+
+	// Until https://github.com/spf13/viper/issues/911 is fixed. We have to use this hacky way.
+	// filters = viper.GetStringMapString("filter")
+	if value, ok := os.LookupEnv("DOZZLE_FILTER"); ok {
+		log.Infof("Parsing %s", value)
+		urlValues, err := url.ParseQuery(strings.ReplaceAll(value, ",", "&"))
+		if err != nil {
+			log.Fatal(err)
+		}
+		filters = map[string]string{}
+		for k, v := range urlValues {
+			filters[k] = v[0]
+		}
 	}
-	flag.Parse()
+
+	l, _ := log.ParseLevel(level)
+	log.SetLevel(l)
+
+	log.SetFormatter(&log.TextFormatter{
+		DisableTimestamp:       true,
+		DisableLevelTruncation: true,
+	})
 }
 
 func main() {
+	log.Infof("Dozzle version %s", version)
+	dockerClient := docker.NewClientWithFilters(filters)
+	_, err := dockerClient.ListContainers()
+
+	if err != nil {
+		log.Fatalf("Could not connect to Docker Engine: %v", err)
+	}
+
 	box := packr.NewBox("./static")
-	http.HandleFunc("/api/containers.json", listContainers)
-	http.HandleFunc("/api/logs", logs)
-	http.Handle("/", http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
-		fileServer := http.FileServer(box)
-		if box.Has(req.URL.Path) {
-			fileServer.ServeHTTP(w, req)
-		} else {
-			bytes, _ := box.Find("index.html")
-			w.Write(bytes)
-		}
-	}))
+	r := createRoutes(base, &handler{
+		client: dockerClient,
+		box:    box,
+	})
+	srv := &http.Server{Addr: addr, Handler: r}
 
-	log.Fatal(http.ListenAndServe(*addr, nil))
-}
-
-func listContainers(w http.ResponseWriter, r *http.Request) {
-	containers, err := cli.ContainerList(context.Background(), types.ContainerListOptions{})
-	if err != nil {
-		log.Fatal(err)
-	}
-	json.NewEncoder(w).Encode(containers)
-}
-
-func logs(w http.ResponseWriter, r *http.Request) {
-	id := r.URL.Query().Get("id")
-	c, err := upgrader.Upgrade(w, r, nil)
-	if err != nil {
-		log.Fatal(err)
-		return
-	}
-	defer c.Close()
-
-	options := types.ContainerLogsOptions{ShowStdout: true, ShowStderr: true, Follow: true, Tail: "500", Timestamps: true}
-	reader, err := cli.ContainerLogs(context.Background(), id, options)
-	defer reader.Close()
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	hdr := make([]byte, 8)
-	content := make([]byte, 1024, 1024*1024)
-	for {
-		_, err := reader.Read(hdr)
-		if err != nil {
-			panic(err)
-		}
-		count := binary.BigEndian.Uint32(hdr[4:])
-		n, err := reader.Read(content[:count])
-		if err != nil {
-			log.Println(err)
-			break
-		}
-		err = c.WriteMessage(websocket.TextMessage, content[:n])
-		if err != nil {
-			log.Println(err)
-			break
-		}
-	}
+	go func() {
+		log.Infof("Accepting connections on %s", srv.Addr)
+		if err := srv.ListenAndServe(); err != nil {
+			log.Fatal(err)
+		}
+	}()
+
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt)
+	signal.Notify(c, os.Kill)
+	<-c
+	log.Infof("Shutting down...")
+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
+	defer cancel()
+	srv.Shutdown(ctx)
+	os.Exit(0)
 }

main_test.go

@@ -0,0 +1,351 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"testing"
+
+	"github.com/magiconair/properties/assert"
+
+	"github.com/amir20/dozzle/docker"
+	"github.com/beme/abide"
+	"github.com/docker/docker/api/types/events"
+	"github.com/gobuffalo/packr"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+type MockedClient struct {
+	mock.Mock
+	docker.Client
+}
+
+func (m *MockedClient) FindContainer(id string) (docker.Container, error) {
+	args := m.Called(id)
+	container, ok := args.Get(0).(docker.Container)
+	if !ok {
+		panic("containers is not of type docker.Container")
+	}
+	return container, args.Error(1)
+}
+
+func (m *MockedClient) ListContainers() ([]docker.Container, error) {
+	args := m.Called()
+	containers, ok := args.Get(0).([]docker.Container)
+	if !ok {
+		panic("containers is not of type []docker.Container")
+	}
+	return containers, args.Error(1)
+}
+
+func (m *MockedClient) ContainerLogs(ctx context.Context, id string, tailSize int, since string) (<-chan string, <-chan error) {
+	args := m.Called(ctx, id, tailSize)
+	channel, ok := args.Get(0).(chan string)
+	if !ok {
+		panic("channel is not of type chan string")
+	}
+
+	err, ok := args.Get(1).(chan error)
+	if !ok {
+		panic("error is not of type chan error")
+	}
+	return channel, err
+}
+
+func (m *MockedClient) Events(ctx context.Context) (<-chan events.Message, <-chan error) {
+	args := m.Called(ctx)
+	channel, ok := args.Get(0).(chan events.Message)
+	if !ok {
+		panic("channel is not of type chan events.Message")
+	}
+
+	err, ok := args.Get(1).(chan error)
+	if !ok {
+		panic("error is not of type chan error")
+	}
+	return channel, err
+}
+
+func (m *MockedClient) ContainerStats(context.Context, string, chan<- docker.ContainerStat) error {
+	return nil
+}
+
+func Test_handler_streamLogs_happy(t *testing.T) {
+	id := "123456"
+	req, err := http.NewRequest("GET", "/api/logs/stream", nil)
+	q := req.URL.Query()
+	q.Add("id", id)
+	req.URL.RawQuery = q.Encode()
+	require.NoError(t, err, "NewRequest should not return an error.")
+
+	mockedClient := new(MockedClient)
+
+	messages := make(chan string)
+	errChannel := make(chan error)
+	mockedClient.On("FindContainer", id).Return(docker.Container{ID: id}, nil)
+	mockedClient.On("ContainerLogs", mock.Anything, mock.Anything, 300).Return(messages, errChannel)
+	go func() {
+		messages <- "INFO Testing logs..."
+		close(messages)
+	}()
+
+	h := handler{client: mockedClient}
+	handler := http.HandlerFunc(h.streamLogs)
+	rr := httptest.NewRecorder()
+	handler.ServeHTTP(rr, req)
+	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
+	mockedClient.AssertExpectations(t)
+}
+
+func Test_handler_streamLogs_happy_with_id(t *testing.T) {
+	id := "123456"
+	req, err := http.NewRequest("GET", "/api/logs/stream", nil)
+	q := req.URL.Query()
+	q.Add("id", id)
+	req.URL.RawQuery = q.Encode()
+	require.NoError(t, err, "NewRequest should not return an error.")
+
+	mockedClient := new(MockedClient)
+
+	messages := make(chan string)
+	errChannel := make(chan error)
+	mockedClient.On("FindContainer", id).Return(docker.Container{ID: id}, nil)
+	mockedClient.On("ContainerLogs", mock.Anything, mock.Anything, 300).Return(messages, errChannel)
+	go func() {
+		messages <- "2020-05-13T18:55:37.772853839Z INFO Testing logs..."
+		close(messages)
+	}()
+
+	h := handler{client: mockedClient}
+	handler := http.HandlerFunc(h.streamLogs)
+	rr := httptest.NewRecorder()
+	handler.ServeHTTP(rr, req)
+	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
+	mockedClient.AssertExpectations(t)
+}
+
+func Test_handler_streamLogs_happy_container_stopped(t *testing.T) {
+	id := "123456"
+	req, err := http.NewRequest("GET", "/api/logs/stream", nil)
+	q := req.URL.Query()
+	q.Add("id", id)
+	req.URL.RawQuery = q.Encode()
+	require.NoError(t, err, "NewRequest should not return an error.")
+
+	mockedClient := new(MockedClient)
+	messages := make(chan string)
+	errChannel := make(chan error)
+	mockedClient.On("FindContainer", id).Return(docker.Container{ID: id}, nil)
+	mockedClient.On("ContainerLogs", mock.Anything, id, 300).Return(messages, errChannel)
+
+	go func() {
+		errChannel <- io.EOF
+		close(messages)
+	}()
+
+	h := handler{client: mockedClient}
+	handler := http.HandlerFunc(h.streamLogs)
+	rr := httptest.NewRecorder()
+	handler.ServeHTTP(rr, req)
+	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
+	mockedClient.AssertExpectations(t)
+}
+
+func Test_handler_streamLogs_error_finding_container(t *testing.T) {
+	id := "123456"
+	req, err := http.NewRequest("GET", "/api/logs/stream", nil)
+	q := req.URL.Query()
+	q.Add("id", id)
+	req.URL.RawQuery = q.Encode()
+	require.NoError(t, err, "NewRequest should not return an error.")
+
+	mockedClient := new(MockedClient)
+	mockedClient.On("FindContainer", id).Return(docker.Container{}, errors.New("error finding container"))
+
+	h := handler{client: mockedClient}
+	handler := http.HandlerFunc(h.streamLogs)
+	rr := httptest.NewRecorder()
+	handler.ServeHTTP(rr, req)
+	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
+	mockedClient.AssertExpectations(t)
+}
+
+func Test_handler_streamLogs_error_reading(t *testing.T) {
+	id := "123456"
+	req, err := http.NewRequest("GET", "/api/logs/stream", nil)
+	q := req.URL.Query()
+	q.Add("id", id)
+	req.URL.RawQuery = q.Encode()
+	require.NoError(t, err, "NewRequest should not return an error.")
+
+	mockedClient := new(MockedClient)
+	messages := make(chan string)
+	errChannel := make(chan error)
+	mockedClient.On("FindContainer", id).Return(docker.Container{ID: id}, nil)
+	mockedClient.On("ContainerLogs", mock.Anything, id, 300).Return(messages, errChannel)
+
+	go func() {
+		errChannel <- errors.New("test error")
+		close(messages)
+	}()
+
+	h := handler{client: mockedClient}
+	handler := http.HandlerFunc(h.streamLogs)
+	rr := httptest.NewRecorder()
+	handler.ServeHTTP(rr, req)
+	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
+	mockedClient.AssertExpectations(t)
+}
+
+func Test_handler_streamEvents_happy(t *testing.T) {
+	req, err := http.NewRequest("GET", "/api/events/stream", nil)
+	require.NoError(t, err, "NewRequest should not return an error.")
+	mockedClient := new(MockedClient)
+	messages := make(chan events.Message)
+	errChannel := make(chan error)
+	mockedClient.On("Events", mock.Anything).Return(messages, errChannel)
+	mockedClient.On("ListContainers").Return([]docker.Container{}, nil)
+
+	go func() {
+		messages <- events.Message{
+			Action: "start",
+		}
+		messages <- events.Message{
+			Action: "something-random",
+		}
+		close(messages)
+	}()
+
+	h := handler{client: mockedClient}
+	handler := http.HandlerFunc(h.streamEvents)
+	rr := httptest.NewRecorder()
+	handler.ServeHTTP(rr, req)
+	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
+	mockedClient.AssertExpectations(t)
+}
+
+func Test_handler_streamEvents_error(t *testing.T) {
+	req, err := http.NewRequest("GET", "/api/events/stream", nil)
+	require.NoError(t, err, "NewRequest should not return an error.")
+	mockedClient := new(MockedClient)
+	messages := make(chan events.Message)
+	errChannel := make(chan error)
+	mockedClient.On("Events", mock.Anything).Return(messages, errChannel)
+	mockedClient.On("ListContainers").Return([]docker.Container{}, nil)
+
+	go func() {
+		errChannel <- errors.New("fake error")
+		close(messages)
+	}()
+
+	h := handler{client: mockedClient}
+	handler := http.HandlerFunc(h.streamEvents)
+	rr := httptest.NewRecorder()
+	handler.ServeHTTP(rr, req)
+	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
+	mockedClient.AssertExpectations(t)
+}
+
+func Test_handler_streamEvents_error_request(t *testing.T) {
+	req, err := http.NewRequest("GET", "/api/events/stream", nil)
+	require.NoError(t, err, "NewRequest should not return an error.")
+
+	mockedClient := new(MockedClient)
+
+	messages := make(chan events.Message)
+	errChannel := make(chan error)
+	mockedClient.On("Events", mock.Anything).Return(messages, errChannel)
+	mockedClient.On("ListContainers").Return([]docker.Container{}, nil)
+
+	ctx, cancel := context.WithCancel(context.Background())
+	req = req.WithContext(ctx)
+
+	go func() {
+		cancel()
+	}()
+
+	h := handler{client: mockedClient}
+	handler := http.HandlerFunc(h.streamEvents)
+	rr := httptest.NewRecorder()
+	handler.ServeHTTP(rr, req)
+	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
+	mockedClient.AssertExpectations(t)
+}
+
+func Test_createRoutes_index(t *testing.T) {
+	mockedClient := new(MockedClient)
+	box := packr.NewBox("./virtual")
+	require.NoError(t, box.AddString("index.html", "index page"), "AddString should have no error.")
+
+	handler := createRoutes("/", &handler{mockedClient, box})
+	req, err := http.NewRequest("GET", "/", nil)
+	require.NoError(t, err, "NewRequest should not return an error.")
+	rr := httptest.NewRecorder()
+
+	handler.ServeHTTP(rr, req)
+	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
+}
+
+func Test_createRoutes_redirect(t *testing.T) {
+	mockedClient := new(MockedClient)
+	box := packr.NewBox("./virtual")
+
+	handler := createRoutes("/foobar", &handler{mockedClient, box})
+	req, err := http.NewRequest("GET", "/foobar", nil)
+	require.NoError(t, err, "NewRequest should not return an error.")
+	rr := httptest.NewRecorder()
+
+	handler.ServeHTTP(rr, req)
+	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
+}
+
+func Test_createRoutes_foobar(t *testing.T) {
+	mockedClient := new(MockedClient)
+	box := packr.NewBox("./virtual")
+	require.NoError(t, box.AddString("index.html", "foo page"), "AddString should have no error.")
+
+	handler := createRoutes("/foobar", &handler{mockedClient, box})
+	req, err := http.NewRequest("GET", "/foobar/", nil)
+	require.NoError(t, err, "NewRequest should not return an error.")
+	rr := httptest.NewRecorder()
+
+	handler.ServeHTTP(rr, req)
+	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
+}
+
+func Test_createRoutes_foobar_file(t *testing.T) {
+	mockedClient := new(MockedClient)
+	box := packr.NewBox("./virtual")
+	require.NoError(t, box.AddString("/test", "test page"), "AddString should have no error.")
+
+	handler := createRoutes("/foobar", &handler{mockedClient, box})
+	req, err := http.NewRequest("GET", "/foobar/test", nil)
+	require.NoError(t, err, "NewRequest should not return an error.")
+	rr := httptest.NewRecorder()
+
+	handler.ServeHTTP(rr, req)
+	assert.Equal(t, rr.Body.String(), "test page", "page doesn't match")
+}
+
+func Test_createRoutes_version(t *testing.T) {
+	mockedClient := new(MockedClient)
+	box := packr.NewBox("./virtual")
+
+	handler := createRoutes("/", &handler{mockedClient, box})
+	req, err := http.NewRequest("GET", "/version", nil)
+	require.NoError(t, err, "NewRequest should not return an error.")
+	rr := httptest.NewRecorder()
+
+	handler.ServeHTTP(rr, req)
+	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
+}
+
+func TestMain(m *testing.M) {
+	exit := m.Run()
+	abide.Cleanup()
+	os.Exit(exit)
+}

package.json

@@ -1,54 +1,99 @@
 {
-  "name": "dozzle",
-  "version": "1.0.10",
-  "description": "",
-  "main": "index.js",
-  "scripts": {
-    "start": "concurrently 'go run main.go' 'npm run watch-assets'",
-    "watch-assets": "parcel watch assets/index.html -d static",
-    "build": "parcel build assets/index.html -d static",
-    "clean": "rm -rf static"
-  },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/amir20/dozzle.git"
-  },
-  "author": "",
-  "license": "ISC",
-  "bugs": {
-    "url": "https://github.com/amir20/dozzle/issues"
-  },
-  "homepage": "https://github.com/amir20/dozzle#readme",
-  "dependencies": {
-    "vue": "^2.5.17",
-    "vue-router": "^3.0.1"
-  },
-  "devDependencies": {
-    "@babel/core": "^7.1.2",
-    "@babel/plugin-transform-runtime": "^7.1.0",
-    "@vue/component-compiler-utils": "^2.3.0",
-    "concurrently": "^4.0.1",
-    "date-fns": "^2.0.0-alpha.25",
-    "husky": "^1.1.2",
-    "lint-staged": "^8.0.4",
-    "parcel-bundler": "^1.10.3",
-    "prettier": "^1.14.3",
-    "vue-hot-reload-api": "^2.3.1",
-    "vue-template-compiler": "^2.5.17"
-  },
-  "husky": {
-    "hooks": {
-      "pre-commit": "lint-staged"
-    }
-  },
-  "lint-staged": {
-    "*.{js,vue,css}": [
-      "prettier --write",
-      "git add"
-    ]
-  },
-  "browserslist": [
-    ">5%",
-    "not ie <= 8"
+ "name": "dozzle",
+ "version": "3.0.0",
+ "description": "Realtime log viewer for docker containers. ",
+ "scripts": {
+  "prestart": "yarn clean",
+  "watch": "npm-run-all -p watch:*",
+  "watch:assets": "webpack --mode=development --watch",
+  "watch:server": "reflex -c .reflex",
+  "dev": "npm-run-all -p dev-server watch:server",
+  "dev-server": "webpack-dev-server --open",
+  "prebuild": "yarn clean",
+  "build": "yarn webpack --mode=production",
+  "clean": "rm -rf static/ a_main-packr.go",
+  "release": "release-it",
+  "test": "TZ=UTC jest",
+  "integration": "docker-compose -f integration/docker-compose.test.yml up --build --force-recreate --exit-code-from integration"
+ },
+ "repository": {
+  "type": "git",
+  "url": "git+https://github.com/amir20/dozzle.git"
+ },
+ "author": "",
+ "license": "ISC",
+ "bugs": {
+  "url": "https://github.com/amir20/dozzle/issues"
+ },
+ "homepage": "https://github.com/amir20/dozzle#readme",
+ "dependencies": {
+  "ansi-to-html": "^0.6.14",
+  "buefy": "^0.9.3",
+  "bulma": "^0.9.0",
+  "date-fns": "^2.16.1",
+  "dompurify": "^2.0.15",
+  "hotkeys-js": "^3.8.1",
+  "lodash.debounce": "^4.0.8",
+  "lodash.throttle": "^4.1.1",
+  "semver": "^7.3.2",
+  "splitpanes": "^2.2.1",
+  "store": "^2.0.12",
+  "vue": "^2.6.12",
+  "vue-meta": "^2.4.0",
+  "vue-router": "^3.4.3",
+  "vuex": "^3.5.1"
+ },
+ "devDependencies": {
+  "@babel/core": "^7.11.6",
+  "@babel/plugin-transform-runtime": "^7.11.5",
+  "@vue/component-compiler-utils": "^3.2.0",
+  "@vue/test-utils": "^1.0.5",
+  "babel-core": "^7.0.0-bridge.0",
+  "babel-jest": "^26.3.0",
+  "babel-preset-env": "^1.7.0",
+  "caniuse-lite": "^1.0.30001124",
+  "css-loader": "^4.2.2",
+  "eventsourcemock": "^2.0.0",
+  "html-webpack-plugin": "^4.4.1",
+  "husky": "^4.2.5",
+  "jest": "^26.4.2",
+  "jest-serializer-vue": "^2.0.2",
+  "lint-staged": "^10.3.0",
+  "mini-css-extract-plugin": "^0.11.0",
+  "npm-run-all": "^4.1.5",
+  "postcss-cssnext": "^3.1.0",
+  "postcss-import": "^12.0.1",
+  "postcss-loader": "^3.0.0",
+  "prettier": "^2.1.1",
+  "release-it": "^14.0.2",
+  "sass": "^1.26.10",
+  "sass-loader": "^10.0.2",
+  "vue-hot-reload-api": "^2.3.4",
+  "vue-jest": "^3.0.6",
+  "vue-loader": "^15.9.3",
+  "vue-style-loader": "^4.1.2",
+  "vue-template-compiler": "^2.6.12",
+  "webpack": "^4.44.1",
+  "webpack-cli": "^3.3.12",
+  "webpack-dev-server": "^3.11.0",
+  "webpack-pwa-manifest": "^4.2.0"
+ },
+ "husky": {
+  "hooks": {
+   "pre-commit": "lint-staged"
+  }
+ },
+ "lint-staged": {
+  "*.{js,vue,css}": [
+   "prettier --write"
   ]
+ },
+ "release-it": {
+  "github": {
+   "release": true
+  },
+  "npm": {
+   "publish": false
+  }
+ }
 }

routes.go

@@ -0,0 +1,274 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"html/template"
+	"io"
+	"net/http"
+	"runtime"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/amir20/dozzle/docker"
+	"github.com/gorilla/mux"
+	log "github.com/sirupsen/logrus"
+)
+
+func createRoutes(base string, h *handler) *mux.Router {
+	r := mux.NewRouter()
+	r.Use(setCSPHeaders)
+	if base != "/" {
+		r.HandleFunc(base, http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
+			http.Redirect(w, req, base+"/", http.StatusMovedPermanently)
+		}))
+	}
+	s := r.PathPrefix(base).Subrouter()
+	s.HandleFunc("/api/logs/stream", h.streamLogs)
+	s.HandleFunc("/api/logs", h.fetchLogsBetweenDates)
+	s.HandleFunc("/api/events/stream", h.streamEvents)
+	s.HandleFunc("/version", h.version)
+	s.PathPrefix("/").Handler(http.StripPrefix(base, http.HandlerFunc(h.index)))
+	return r
+}
+
+func setCSPHeaders(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Security-Policy", "default-src 'none'; script-src 'self'; style-src 'self' 'unsafe-inline' fonts.googleapis.com; img-src 'self'; manifest-src 'self'; font-src fonts.gstatic.com; connect-src 'self' api.github.com; require-trusted-types-for 'script'")
+		next.ServeHTTP(w, r)
+	})
+}
+
+func (h *handler) index(w http.ResponseWriter, req *http.Request) {
+	fileServer := http.FileServer(h.box)
+	if h.box.Has(req.URL.Path) && req.URL.Path != "" && req.URL.Path != "/" {
+		fileServer.ServeHTTP(w, req)
+	} else {
+		text, err := h.box.FindString("index.html")
+		if err != nil {
+			panic(err)
+		}
+		tmpl, err := template.New("index.html").Parse(text)
+		if err != nil {
+			panic(err)
+		}
+
+		path := ""
+		if base != "/" {
+			path = base
+		}
+
+		data := struct {
+			Base    string
+			Version string
+		}{path, version}
+		err = tmpl.Execute(w, data)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+		}
+	}
+}
+
+func (h *handler) fetchLogsBetweenDates(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "text/plain; charset=UTF-8")
+
+	from, _ := time.Parse(time.RFC3339, r.URL.Query().Get("from"))
+	to, _ := time.Parse(time.RFC3339, r.URL.Query().Get("to"))
+	id := r.URL.Query().Get("id")
+
+	messages, _ := h.client.ContainerLogsBetweenDates(r.Context(), id, from, to)
+
+	for _, m := range messages {
+		fmt.Fprintln(w, m)
+	}
+}
+
+func (h *handler) streamLogs(w http.ResponseWriter, r *http.Request) {
+	id := r.URL.Query().Get("id")
+	if id == "" {
+		http.Error(w, "id is required", http.StatusBadRequest)
+		return
+	}
+
+	f, ok := w.(http.Flusher)
+	if !ok {
+		http.Error(w, "Streaming unsupported!", http.StatusInternalServerError)
+		return
+	}
+
+	container, e := h.client.FindContainer(id)
+	if e != nil {
+		http.Error(w, e.Error(), http.StatusNotFound)
+		return
+	}
+
+	messages, err := h.client.ContainerLogs(r.Context(), container.ID, tailSize, r.Header.Get("Last-Event-ID"))
+
+	w.Header().Set("Content-Type", "text/event-stream")
+	w.Header().Set("Cache-Control", "no-cache")
+	w.Header().Set("Connection", "keep-alive")
+	w.Header().Set("X-Accel-Buffering", "no")
+Loop:
+	for {
+		select {
+		case message, ok := <-messages:
+			if !ok {
+				fmt.Fprintf(w, "event: container-stopped\ndata: end of stream\n\n")
+				break Loop
+			}
+			fmt.Fprintf(w, "data: %s\n", message)
+			if index := strings.IndexAny(message, " "); index != -1 {
+				id := message[:index]
+				if _, err := time.Parse(time.RFC3339Nano, id); err == nil {
+					fmt.Fprintf(w, "id: %s\n", id)
+				}
+			}
+			fmt.Fprintf(w, "\n")
+			f.Flush()
+		case e := <-err:
+			if e == io.EOF {
+				log.Debugf("Container stopped: %v", container.ID)
+				fmt.Fprintf(w, "event: container-stopped\ndata: end of stream\n\n")
+				f.Flush()
+			} else {
+				log.Debugf("Error while reading from log stream: %v", e)
+				break Loop
+			}
+		}
+	}
+
+	log.WithField("NumGoroutine", runtime.NumGoroutine()).Debug("runtime stats")
+}
+
+func (h *handler) streamEvents(w http.ResponseWriter, r *http.Request) {
+	f, ok := w.(http.Flusher)
+	if !ok {
+		http.Error(w, "Streaming unsupported!", http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "text/event-stream")
+	w.Header().Set("Cache-Control", "no-cache")
+	w.Header().Set("Connection", "keep-alive")
+	w.Header().Set("X-Accel-Buffering", "no")
+
+	ctx := r.Context()
+
+	messages, err := h.client.Events(ctx)
+	stats := make(chan docker.ContainerStat)
+
+	runningContainers := map[string]docker.Container{}
+	if containers, err := h.client.ListContainers(); err == nil {
+		for _, c := range containers {
+			if c.State == "running" {
+				h.client.ContainerStats(ctx, c.ID, stats)
+				runningContainers[c.ID] = c
+			}
+		}
+	}
+
+	if err := sendContainersJSON(h.client, w); err != nil {
+		log.Errorf("Error while encoding containers to stream: %v", err)
+	}
+
+	f.Flush()
+
+	delayer := delayedFunc(time.Second)
+
+Loop:
+	for {
+		select {
+		case stat := <-stats:
+			bytes, _ := json.Marshal(stat)
+			_, err := fmt.Fprintf(w, "event: container-stat\ndata: %s\n\n", string(bytes))
+			if err != nil {
+				log.Debugf("Error while writing to event stream: %v", err)
+				break
+			}
+			f.Flush()
+		case message, ok := <-messages:
+			if !ok {
+				break Loop
+			}
+			switch message.Action {
+			case "start", "connect", "disconnect", "die":
+				log.Debugf("Triggering docker event: %v", message.Action)
+				if message.Action == "start" {
+					log.Debugf("Scanning for new containers")
+					if containers, err := h.client.ListContainers(); err == nil {
+						for _, c := range containers {
+							if _, ok = runningContainers[c.ID]; c.State == "running" && !ok {
+								log.Debugf("Found a new container %v", c.ID)
+								h.client.ContainerStats(ctx, c.ID, stats)
+								runningContainers[c.ID] = c
+							}
+						}
+					}
+				}
+
+				delayer(func() {
+					if err := sendContainersJSON(h.client, w); err != nil {
+						log.Errorf("Error while encoding containers to stream: %v", err)
+					}
+				})
+
+				f.Flush()
+			default:
+				log.Debugf("Ignoring docker event: %v", message.Action)
+			}
+		case <-ctx.Done():
+			break Loop
+		case <-err:
+			break Loop
+		}
+	}
+}
+
+func (h *handler) version(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprintln(w, version)
+}
+
+func sendContainersJSON(client docker.Client, w http.ResponseWriter) error {
+	if containers, err := client.ListContainers(); err != nil {
+		return err
+	} else {
+		if _, err := fmt.Fprint(w, "event: containers-changed\ndata: "); err != nil {
+			return err
+		}
+
+		if err := json.NewEncoder(w).Encode(containers); err != nil {
+			return err
+		}
+
+		if _, err := fmt.Fprint(w, "\n\n"); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+type delayedFun struct {
+	mu    sync.Mutex
+	after time.Duration
+	timer *time.Timer
+}
+
+func delayedFunc(after time.Duration) func(f func()) {
+	d := &delayedFun{after: after}
+
+	return func(f func()) {
+		d.add(f)
+	}
+}
+
+func (d *delayedFun) add(f func()) {
+	d.mu.Lock()
+	defer d.mu.Unlock()
+
+	if d.timer != nil {
+		d.timer.Stop()
+	}
+	d.timer = time.AfterFunc(d.after, f)
+}

webpack.config.js

@@ -0,0 +1,88 @@
+const path = require("path");
+const { VueLoaderPlugin } = require("vue-loader");
+const MiniCssExtractPlugin = require("mini-css-extract-plugin");
+const HtmlWebpackPlugin = require("html-webpack-plugin");
+const WebpackPwaManifest = require("webpack-pwa-manifest");
+
+module.exports = (env, argv) => ({
+  stats: { children: false, entrypoints: false, modules: false },
+  performance: {
+    maxAssetSize: 350000,
+    maxEntrypointSize: 600000,
+  },
+  devtool: argv.mode !== "production" ? "inline-cheap-source-map" : false,
+  entry: ["./assets/main.js", "./assets/styles.scss"],
+  output: {
+    path: path.resolve(__dirname, "./static"),
+    filename: "[name].js",
+    publicPath: process.env.WEBPACK_DEV_SERVER ? "/" : "{{ .Base }}",
+  },
+  module: {
+    rules: [
+      {
+        test: /\.vue$/,
+        loader: "vue-loader",
+      },
+      {
+        test: /\.(sass|scss|css)$/,
+        use: [
+          {
+            loader: MiniCssExtractPlugin.loader,
+            options: {
+              hmr: argv.mode !== "production",
+            },
+          },
+          "css-loader",
+          {
+            loader: "postcss-loader",
+            options: {
+              ident: "postcss",
+              plugins: (loader) => [
+                require("postcss-cssnext")({
+                  features: {
+                    customProperties: { warnings: false },
+                  },
+                }),
+              ],
+            },
+          },
+          "sass-loader",
+        ],
+      },
+    ],
+  },
+  plugins: [
+    new VueLoaderPlugin(),
+    new MiniCssExtractPlugin(),
+    new HtmlWebpackPlugin({
+      hash: true,
+      template: "assets/index.ejs",
+      scriptLoading: "defer",
+      favicon: "assets/favicon.svg",
+    }),
+    new WebpackPwaManifest({
+      name: "Dozzle Log Viewer",
+      short_name: "Dozzle",
+      theme_color: "#222",
+      background_color: "#222",
+      display: "standalone",
+    }),
+  ],
+  resolve: {
+    alias: {
+      vue$: "vue/dist/vue.runtime.esm.js",
+    },
+    extensions: ["*", ".js", ".vue", ".json"],
+  },
+  devServer: {
+    port: 8081,
+    inline: true,
+    hot: true,
+    historyApiFallback: true,
+    proxy: {
+      "/api": {
+        target: "http://localhost:8080",
+      },
+    },
+  },
+});