release v0.9.3

Bumps [github.com/golang/mock](https://github.com/golang/mock) from 1.4.1 to 1.4.2.
- [Release notes](https://github.com/golang/mock/releases)
- [Changelog](https://github.com/golang/mock/blob/master/.goreleaser.yml)
- [Commits](https://github.com/golang/mock/compare/v1.4.1...v1.4.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

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

.github/workflows/docker.yml

@@ -57,11 +57,11 @@ jobs:
         run: |
           docker push metrue/fx-python-base:latest
 
-      # - name: build and publish fx rust image
-      #   if: always()
-      #   run: |
-      #     docker build -t metrue/fx-rust-base:latest -f ./assets/dockerfiles/base/rust/Dockerfile ./assets/dockerfiles/base/python
-      #     docker push metrue/fx-rust-base:latest
+      - name: build and publish fx perl image
+        if: always()
+        run: |
+          docker build -t metrue/fx-perl-base:latest -f ./assets/dockerfiles/base/perl/Dockerfile ./assets/dockerfiles/base/perl
+          docker push metrue/fx-perl-base:latest
 
       - name: build and publish fx julia image
         if: always()

.golangci.yml

@@ -1,6 +1,6 @@
 run:
-  deadline: 10m
-  timeout: 10m
+  deadline: 20m
+  timeout: 20m
   issues-exit-code: 1
   tests: true
   skip-dirs:

README.md

@@ -206,8 +206,26 @@ But we would suggest you run `kubectl config current-context` to check if the cu
 * Amazon Elastic Kubernetes Service (EKS)
   TODO
 
-* Google Kubernetes Engine (GKET)
-  TODO
+* Google Kubernetes Engine (GKE)
+
+First you should create a Kubernetes cluster in your GKE, then make sure your KUBECONFIG is ready in `~/.kube/config`, if not, you can run following commands,
+
+``` shell
+$ gcloud auth login
+$ gcloud container clusters get-credentials <your cluster> --zone <zone> --project <project>
+```
+
+Then make sure you current context is GKE cluster, you can check it with command,
+
+``` shell
+$ kubectl config current-context
+```
+
+Then you can deploy your function onto GKE cluster with,
+
+```shell
+$ KUBECONFIG=~/.kube/config fx up examples/functions/JavaScript/func.js --name hellojs
+```
 
 * Setup your own Kubernetes cluster
 

assets/dockerfiles/base/node/package-lock.json

@@ -0,0 +1,26 @@
+{
+  "name": "fx-node-base",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "@koa/cors": {
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/@koa/cors/-/cors-2.2.3.tgz",
+      "integrity": "sha512-tCVVXa39ETsit5kGBtEWWimjLn1sDaeu8+0phgb8kT3GmBDZOykkI3ZO8nMjV2p3MGkJI4K5P+bxR8Ztq0bwsA==",
+      "requires": {
+        "vary": "^1.1.2"
+      }
+    },
+    "node-fetch": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.0.tgz",
+      "integrity": "sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA=="
+    },
+    "vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+    }
+  }
+}

assets/dockerfiles/base/node/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "aok",
+  "name": "fx-node-base",
   "version": "1.0.0",
   "description": "",
   "main": "index.js",
@@ -10,12 +10,11 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
+    "@koa/cors": "^2.2.3",
     "get-port": "^3.2.0",
     "is-generator-function": "^1.0.6",
     "koa": "^2.3.0",
-    "koa-bodyparser": "^4.2.0"
-  },
-  "devDependencies": {
-    "get-port-cli": "^1.1.0"
+    "koa-bodyparser": "^4.2.0",
+    "node-fetch": "^2.6.0"
   }
 }

assets/dockerfiles/base/perl/cpanfile

@@ -1,2 +1,3 @@
 requires "EV";
+requires "JSON";
 requires "Mojolicious::Lite";

bundle/bundle.go

@@ -0,0 +1,44 @@
+package bundle
+
+import (
+	"fmt"
+
+	"github.com/metrue/fx/bundler"
+	"github.com/metrue/fx/bundler/d"
+	golang "github.com/metrue/fx/bundler/go"
+	"github.com/metrue/fx/bundler/java"
+	"github.com/metrue/fx/bundler/julia"
+	"github.com/metrue/fx/bundler/node"
+	"github.com/metrue/fx/bundler/perl"
+	"github.com/metrue/fx/bundler/python"
+	"github.com/metrue/fx/bundler/ruby"
+	"github.com/metrue/fx/bundler/rust"
+)
+
+// Bundle function to project
+func Bundle(workdir string, language string, fn string, deps ...string) error {
+	var bundler bundler.Bundler
+	switch language {
+	case "d":
+		bundler = d.New()
+	case "node":
+		bundler = node.New()
+	case "go":
+		bundler = golang.New()
+	case "java":
+		bundler = java.New()
+	case "julia":
+		bundler = julia.New()
+	case "perl":
+		bundler = perl.New()
+	case "python":
+		bundler = python.New()
+	case "ruby":
+		bundler = ruby.New()
+	case "rust":
+		bundler = rust.New()
+	default:
+		return fmt.Errorf("%s not suppported yet", language)
+	}
+	return bundler.Bundle(workdir, fn, deps...)
+}

bundle/bundler_test.go

@@ -0,0 +1,117 @@
+package bundle
+
+import (
+	"io/ioutil"
+	"os"
+	"testing"
+)
+
+func createFn(content string, t *testing.T) string {
+	fd, err := ioutil.TempFile("", "fx_func_*.js")
+	if err != nil {
+		t.Fatal(err)
+	}
+	err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	return fd.Name()
+}
+
+func TestBundle(t *testing.T) {
+	workdir, err := ioutil.TempDir("", "fx-test")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll(workdir)
+
+	cases := []struct {
+		workdir  string
+		language string
+		fn       string
+		deps     []string
+	}{
+		{
+			workdir:  workdir,
+			language: "d",
+			fn: `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}
+			`,
+		},
+		{
+			workdir:  workdir,
+			language: "go",
+			fn: `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}
+			`,
+		},
+		{
+			workdir:  workdir,
+			language: "java",
+			fn: `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}
+			`,
+		},
+		{
+			workdir:  workdir,
+			language: "julia",
+			fn: `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}
+			`,
+		},
+		{
+			workdir:  workdir,
+			language: "perl",
+			fn: `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}
+			`,
+		},
+		{
+			workdir:  workdir,
+			language: "python",
+			fn: `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}
+			`,
+		},
+		{
+			workdir:  workdir,
+			language: "ruby",
+			fn: `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}
+			`,
+		},
+		{
+			workdir:  workdir,
+			language: "rust",
+			fn: `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}
+			`,
+		},
+	}
+
+	for _, c := range cases {
+		fn := createFn(c.fn, t)
+		defer os.Remove(fn)
+
+		if err := Bundle(c.workdir, c.language, fn, c.deps...); err != nil {
+			t.Fatal(err)
+		}
+	}
+}

bundler/bundler.go

@@ -0,0 +1,88 @@
+package bundler
+
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/gobuffalo/packd"
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/constants"
+	"github.com/metrue/fx/utils"
+)
+
+// Bundler defines interface
+type Bundler interface {
+	Scaffold(output string) error
+	Bundle(output string, fn string, deps ...string) error
+}
+
+// IsHandler check if it's handle file
+func IsHandler(name string, lang string) bool {
+	basename := filepath.Base(name)
+	nameWithoutExt := strings.TrimSuffix(basename, filepath.Ext(basename))
+	if constants.ExtLangMapping[filepath.Ext(basename)] != lang {
+		return false
+	}
+
+	return (nameWithoutExt == "fx" ||
+		// Fx is for Java
+		nameWithoutExt == "Fx" ||
+		// mod.rs is for Rust)
+		nameWithoutExt == "mod")
+}
+
+// Restore directory from packr box
+func Restore(box *packr.Box, output string) error {
+	if err := box.Walk(func(name string, fd packd.File) error {
+		content, err := box.Find(name)
+		if err != nil {
+			return err
+		}
+
+		dest := filepath.Join(output, name)
+		if err := utils.EnsureFile(dest); err != nil {
+			return err
+		}
+
+		if err := ioutil.WriteFile(dest, content, 0644); err != nil {
+			return err
+		}
+
+		return nil
+	}); err != nil {
+		return err
+	}
+	return nil
+}
+
+// Bundle bundle a function
+func Bundle(box *packr.Box, output string, language string, fn string, deps ...string) error {
+	if err := Restore(box, output); err != nil {
+		return err
+	}
+
+	if err := utils.Merge(output, deps...); err != nil {
+		return err
+	}
+
+	// Replace the default handler source file with given function source file
+	if err := filepath.Walk(output, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		if IsHandler(path, language) {
+			if err := utils.CopyFile(fn, path); err != nil {
+				return err
+			}
+		}
+
+		return nil
+	}); err != nil {
+		return err
+	}
+
+	return nil
+}

bundler/bundler_test.go

@@ -0,0 +1,51 @@
+package bundler
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"testing"
+
+	"github.com/gobuffalo/packr/v2"
+)
+
+func TestBundler(t *testing.T) {
+	t.Run("Restore", func(t *testing.T) {
+		box := packr.New("", "./node/assets")
+		outputDir, err := ioutil.TempDir("", "fx_koa")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+		if err := Restore(box, outputDir); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	t.Run("Bundle", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}`
+		if err = ioutil.WriteFile(fd.Name(), []byte(content), 0666); err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_koa")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		box := packr.New("", "./node/assets")
+		if err := Bundle(box, outputDir, "node", fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+	})
+}

bundler/d/d.go

@@ -0,0 +1,32 @@
+package d
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+// D defines d bundler
+type D struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *D {
+	return &D{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (d *D) Scaffold(output string) error {
+	return bundler.Restore(d.assets, output)
+}
+
+// Bundle a function into a koa project
+func (d *D) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(d.assets, output, "d", fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &D{}
+)

bundler/go/go.go

@@ -0,0 +1,32 @@
+package golang
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+// Gin defines javascript bundler
+type Gin struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *Gin {
+	return &Gin{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (g *Gin) Scaffold(output string) error {
+	return bundler.Restore(g.assets, output)
+}
+
+// Bundle a function into a koa project
+func (g *Gin) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(g.assets, output, "go", fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &Gin{}
+)

bundler/go/go_test.go

@@ -0,0 +1,143 @@
+package golang
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/metrue/fx/utils"
+)
+
+func TestKoaBundler(t *testing.T) {
+	t.Run("Scaffold", func(t *testing.T) {
+		outputDir, err := ioutil.TempDir("", "fx_koa")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		koa := New()
+		if err := koa.Scaffold(outputDir); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, _, _, err := utils.Diff(outputDir, "./assets")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if diff {
+			t.Fatalf("%s is not equal with %s", outputDir, "./assets")
+		}
+	})
+
+	t.Run("BundleSingleFunc", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}`
+		err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_koa")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		koa := New()
+		if err := koa.Bundle(outputDir, fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(content)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+
+		preHandleFunc, err := ioutil.ReadFile("./assets/fx.go")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(pre, preHandleFunc) {
+			{
+			}
+			t.Fatalf("it should get %s but got %s", preHandleFunc, pre)
+		}
+	})
+
+	t.Run("BundleFuncAndDeps", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content, err := ioutil.ReadFile("./assets/fx.go")
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = ioutil.WriteFile(fd.Name(), content, 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addFunc := `
+module.exports = (a, b) => a+b
+  `
+		addFd, err := ioutil.TempFile("", "fx_add_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = ioutil.WriteFile(addFd.Name(), []byte(addFunc), 0644)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_koa")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		koa := New()
+		if err := koa.Bundle(outputDir, fd.Name(), addFd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(addFunc)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+		if pre != nil {
+			t.Fatal(pre)
+		}
+	})
+}

bundler/java/java.go

@@ -0,0 +1,32 @@
+package java
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+// Java defines javascript bundler
+type Java struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *Java {
+	return &Java{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (k *Java) Scaffold(output string) error {
+	return bundler.Restore(k.assets, output)
+}
+
+// Bundle a function into a koa project
+func (k *Java) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(k.assets, output, "java", fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &Java{}
+)

bundler/java/java_test.go

@@ -0,0 +1,155 @@
+package java
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/metrue/fx/utils"
+)
+
+func TestJavaBundler(t *testing.T) {
+	t.Run("Scaffold", func(t *testing.T) {
+		outputDir, err := ioutil.TempDir("", "fx_java")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		java := New()
+		if err := java.Scaffold(outputDir); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, _, _, err := utils.Diff(outputDir, "./assets")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if diff {
+			t.Fatalf("%s is not equal with %s", outputDir, "./assets")
+		}
+	})
+
+	t.Run("BundleSingleFunc", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.java")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `package fx;
+
+import io.javalin.Javalin;
+import org.json.JSONObject;
+
+public class app {
+    public static void main(String[] args) {
+        Javalin app = Javalin.start(3000);
+        Fx handler = new Fx();
+        app.post("/", ctx -> {
+            JSONObject obj = new JSONObject(ctx.body());
+            ctx.result(""+handler.handle(obj));
+        });
+    }
+}
+		`
+		err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_java")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		java := New()
+		if err := java.Bundle(outputDir, fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(content)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+
+		preHandleFunc, err := ioutil.ReadFile("./assets/src/main/java/fx/Fx.java")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(pre, preHandleFunc) {
+			{
+			}
+			t.Fatalf("it should get %s but got %s", preHandleFunc, pre)
+		}
+	})
+
+	t.Run("BundleFuncAndDeps", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content, err := ioutil.ReadFile("./assets/src/main/java/fx/Fx.java")
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = ioutil.WriteFile(fd.Name(), content, 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addFunc := `
+module.exports = (a, b) => a+b
+  `
+		addFd, err := ioutil.TempFile("", "fx_add_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = ioutil.WriteFile(addFd.Name(), []byte(addFunc), 0644)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_java")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		java := New()
+		if err := java.Bundle(outputDir, fd.Name(), addFd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(addFunc)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+		if pre != nil {
+			t.Fatal(pre)
+		}
+	})
+}

bundler/julia/assets/fx.jl

@@ -1,4 +1,3 @@
-
 struct Input
     a::Number
     b::Number

bundler/julia/julia.go

@@ -0,0 +1,32 @@
+package julia
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+// Julia defines javascript bundler
+type Julia struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *Julia {
+	return &Julia{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (k *Julia) Scaffold(output string) error {
+	return bundler.Restore(k.assets, output)
+}
+
+// Bundle a function into a koa project
+func (k *Julia) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(k.assets, output, "julia", fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &Julia{}
+)

bundler/julia/julia_test.go

@@ -0,0 +1,148 @@
+package julia
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/metrue/fx/utils"
+)
+
+func TestJuliaBundler(t *testing.T) {
+	t.Run("Scaffold", func(t *testing.T) {
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Scaffold(outputDir); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, _, _, err := utils.Diff(outputDir, "./assets")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if diff {
+			t.Fatalf("%s is not equal with %s", outputDir, "./assets")
+		}
+	})
+
+	t.Run("BundleSingleFunc", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.julia")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `struct Input
+    a::Number
+    b::Number
+end
+
+fx = function(input::Input)
+    return input.a + input.b
+end
+		`
+		err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle function should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(content)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+
+		preHandleFunc, err := ioutil.ReadFile("./assets/fx.jl")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(pre, preHandleFunc) {
+			{
+			}
+			t.Fatalf("it should get %s but got %s", preHandleFunc, pre)
+		}
+	})
+
+	t.Run("BundleFuncAndDeps", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content, err := ioutil.ReadFile("./assets/fx.jl")
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = ioutil.WriteFile(fd.Name(), content, 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addFunc := `
+module.exports = (a, b) => a+b
+  `
+		addFd, err := ioutil.TempFile("", "fx_add_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = ioutil.WriteFile(addFd.Name(), []byte(addFunc), 0644)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name(), addFd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(addFunc)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+		if pre != nil {
+			t.Fatal(pre)
+		}
+	})
+}

bundler/node/assets/app.js

@@ -1,8 +1,12 @@
 const Koa = require('koa');
 const bodyParser = require('koa-bodyparser');
+const cors = require('@koa/cors');
 const fx = require('./fx');
 
 const app = new Koa();
+app.use(cors({
+  origin: '*',
+}));
 app.use(bodyParser());
 app.use(fx);
 

bundler/node/node.go

@@ -0,0 +1,34 @@
+package node
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+const language = "node"
+
+// Node defines node bundler
+type Node struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *Node {
+	return &Node{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (k *Node) Scaffold(output string) error {
+	return bundler.Restore(k.assets, output)
+}
+
+// Bundle a function into a koa project
+func (k *Node) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(k.assets, output, language, fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &Node{}
+)

bundler/node/node_test.go

@@ -0,0 +1,143 @@
+package node
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/metrue/fx/utils"
+)
+
+func TestNodeBundler(t *testing.T) {
+	t.Run("Scaffold", func(t *testing.T) {
+		outputDir, err := ioutil.TempDir("", "fx_koa")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		koa := New()
+		if err := koa.Scaffold(outputDir); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, _, _, err := utils.Diff(outputDir, "./assets")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if diff {
+			t.Fatalf("%s is not equal with %s", outputDir, "./assets")
+		}
+	})
+
+	t.Run("BundleSingleFunc", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}`
+		err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_koa")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		koa := New()
+		if err := koa.Bundle(outputDir, fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(content)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+
+		preHandleFunc, err := ioutil.ReadFile("./assets/fx.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(pre, preHandleFunc) {
+			{
+			}
+			t.Fatalf("it should get %s but got %s", preHandleFunc, pre)
+		}
+	})
+
+	t.Run("BundleFuncAndDeps", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content, err := ioutil.ReadFile("./assets/fx.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = ioutil.WriteFile(fd.Name(), content, 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addFunc := `
+module.exports = (a, b) => a+b
+  `
+		addFd, err := ioutil.TempFile("", "fx_add_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = ioutil.WriteFile(addFd.Name(), []byte(addFunc), 0644)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_koa")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		koa := New()
+		if err := koa.Bundle(outputDir, fd.Name(), addFd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(addFunc)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+		if pre != nil {
+			t.Fatal(pre)
+		}
+	})
+}

bundler/perl/perl.go

@@ -0,0 +1,32 @@
+package perl
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+// Julia defines javascript bundler
+type Julia struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *Julia {
+	return &Julia{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (k *Julia) Scaffold(output string) error {
+	return bundler.Restore(k.assets, output)
+}
+
+// Bundle a function into a koa project
+func (k *Julia) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(k.assets, output, "perl", fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &Julia{}
+)

bundler/perl/perl_test.go

@@ -0,0 +1,148 @@
+package perl
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/metrue/fx/utils"
+)
+
+func TestJuliaBundler(t *testing.T) {
+	t.Run("Scaffold", func(t *testing.T) {
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Scaffold(outputDir); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, _, _, err := utils.Diff(outputDir, "./assets")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if diff {
+			t.Fatalf("%s is not equal with %s", outputDir, "./assets")
+		}
+	})
+
+	t.Run("BundleSingleFunc", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.julia")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `struct Input
+    a::Number
+    b::Number
+end
+
+fx = function(input::Input)
+    return input.a + input.b
+end
+		`
+		err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle function should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(content)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+
+		preHandleFunc, err := ioutil.ReadFile("./assets/fx.pl")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(pre, preHandleFunc) {
+			{
+			}
+			t.Fatalf("it should get %s but got %s", preHandleFunc, pre)
+		}
+	})
+
+	t.Run("BundleFuncAndDeps", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content, err := ioutil.ReadFile("./assets/fx.pl")
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = ioutil.WriteFile(fd.Name(), content, 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addFunc := `
+module.exports = (a, b) => a+b
+  `
+		addFd, err := ioutil.TempFile("", "fx_add_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = ioutil.WriteFile(addFd.Name(), []byte(addFunc), 0644)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name(), addFd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(addFunc)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+		if pre != nil {
+			t.Fatal(pre)
+		}
+	})
+}

bundler/python/python.go

@@ -0,0 +1,32 @@
+package python
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+// Julia defines javascript bundler
+type Julia struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *Julia {
+	return &Julia{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (k *Julia) Scaffold(output string) error {
+	return bundler.Restore(k.assets, output)
+}
+
+// Bundle a function into a koa project
+func (k *Julia) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(k.assets, output, "python", fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &Julia{}
+)

bundler/python/python_test.go

@@ -0,0 +1,148 @@
+package python
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/metrue/fx/utils"
+)
+
+func TestJuliaBundler(t *testing.T) {
+	t.Run("Scaffold", func(t *testing.T) {
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Scaffold(outputDir); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, _, _, err := utils.Diff(outputDir, "./assets")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if diff {
+			t.Fatalf("%s is not equal with %s", outputDir, "./assets")
+		}
+	})
+
+	t.Run("BundleSingleFunc", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.julia")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `struct Input
+    a::Number
+    b::Number
+end
+
+fx = function(input::Input)
+    return input.a + input.b
+end
+		`
+		err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle function should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(content)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+
+		preHandleFunc, err := ioutil.ReadFile("./assets/fx.py")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(pre, preHandleFunc) {
+			{
+			}
+			t.Fatalf("it should get %s but got %s", preHandleFunc, pre)
+		}
+	})
+
+	t.Run("BundleFuncAndDeps", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content, err := ioutil.ReadFile("./assets/fx.py")
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = ioutil.WriteFile(fd.Name(), content, 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addFunc := `
+module.exports = (a, b) => a+b
+  `
+		addFd, err := ioutil.TempFile("", "fx_add_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = ioutil.WriteFile(addFd.Name(), []byte(addFunc), 0644)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name(), addFd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(addFunc)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+		if pre != nil {
+			t.Fatal(pre)
+		}
+	})
+}

bundler/ruby/ruby.go

@@ -0,0 +1,32 @@
+package ruby
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+// Julia defines javascript bundler
+type Julia struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *Julia {
+	return &Julia{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (k *Julia) Scaffold(output string) error {
+	return bundler.Restore(k.assets, output)
+}
+
+// Bundle a function into a koa project
+func (k *Julia) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(k.assets, output, "ruby", fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &Julia{}
+)

bundler/ruby/ruby_test.go

@@ -0,0 +1,148 @@
+package ruby
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/metrue/fx/utils"
+)
+
+func TestJuliaBundler(t *testing.T) {
+	t.Run("Scaffold", func(t *testing.T) {
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Scaffold(outputDir); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, _, _, err := utils.Diff(outputDir, "./assets")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if diff {
+			t.Fatalf("%s is not equal with %s", outputDir, "./assets")
+		}
+	})
+
+	t.Run("BundleSingleFunc", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.julia")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `struct Input
+    a::Number
+    b::Number
+end
+
+fx = function(input::Input)
+    return input.a + input.b
+end
+		`
+		err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle function should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(content)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+
+		preHandleFunc, err := ioutil.ReadFile("./assets/fx.rb")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(pre, preHandleFunc) {
+			{
+			}
+			t.Fatalf("it should get %s but got %s", preHandleFunc, pre)
+		}
+	})
+
+	t.Run("BundleFuncAndDeps", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content, err := ioutil.ReadFile("./assets/fx.rb")
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = ioutil.WriteFile(fd.Name(), content, 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addFunc := `
+module.exports = (a, b) => a+b
+  `
+		addFd, err := ioutil.TempFile("", "fx_add_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = ioutil.WriteFile(addFd.Name(), []byte(addFunc), 0644)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name(), addFd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(addFunc)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+		if pre != nil {
+			t.Fatal(pre)
+		}
+	})
+}

bundler/rust/rust.go

@@ -0,0 +1,32 @@
+package rust
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+// Julia defines javascript bundler
+type Julia struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *Julia {
+	return &Julia{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (k *Julia) Scaffold(output string) error {
+	return bundler.Restore(k.assets, output)
+}
+
+// Bundle a function into a koa project
+func (k *Julia) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(k.assets, output, "rust", fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &Julia{}
+)

bundler/rust/rust_test.go

@@ -0,0 +1,148 @@
+package rust
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/metrue/fx/utils"
+)
+
+func TestJuliaBundler(t *testing.T) {
+	t.Run("Scaffold", func(t *testing.T) {
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Scaffold(outputDir); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, _, _, err := utils.Diff(outputDir, "./assets")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if diff {
+			t.Fatalf("%s is not equal with %s", outputDir, "./assets")
+		}
+	})
+
+	t.Run("BundleSingleFunc", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.julia")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `struct Input
+    a::Number
+    b::Number
+end
+
+fx = function(input::Input)
+    return input.a + input.b
+end
+		`
+		err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle function should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(content)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+
+		preHandleFunc, err := ioutil.ReadFile("./assets/src/fns/mod.rs")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(pre, preHandleFunc) {
+			{
+			}
+			t.Fatalf("it should get %s but got %s", preHandleFunc, pre)
+		}
+	})
+
+	t.Run("BundleFuncAndDeps", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content, err := ioutil.ReadFile("./assets/src/fns/mod.rs")
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = ioutil.WriteFile(fd.Name(), content, 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addFunc := `
+module.exports = (a, b) => a+b
+  `
+		addFd, err := ioutil.TempFile("", "fx_add_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = ioutil.WriteFile(addFd.Name(), []byte(addFunc), 0644)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name(), addFd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(addFunc)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+		if pre != nil {
+			t.Fatal(pre)
+		}
+	})
+}

config/env.go

@@ -0,0 +1,14 @@
+package config
+
+import (
+	"os"
+)
+
+// DisableContainerAutoremove to tell if to run container with --rm
+var DisableContainerAutoremove = false
+
+func init() {
+	if os.Getenv("DISABLE_CONTAINER_AUTOREMOVE") == "true" {
+		DisableContainerAutoremove = true
+	}
+}

config/env_test.go

@@ -0,0 +1,17 @@
+package config
+
+import (
+	"os"
+	"testing"
+)
+
+var _ = func() (_ struct{}) {
+	os.Setenv("DISABLE_CONTAINER_AUTOREMOVE", "true")
+	return
+}()
+
+func TestEnvLoad(t *testing.T) {
+	if !DisableContainerAutoremove {
+		t.Fatalf("should be true after set")
+	}
+}

constants/languages.go

@@ -0,0 +1,15 @@
+package constants
+
+// ExtLangMapping file extension mapping with programming language
+var ExtLangMapping = map[string]string{
+	".js":   "node",
+	".go":   "go",
+	".rb":   "ruby",
+	".py":   "python",
+	".php":  "php",
+	".jl":   "julia",
+	".java": "java",
+	".d":    "d",
+	".rs":   "rust",
+	".pl":   "perl",
+}

container_runtimes/docker/http/api.go

@@ -23,6 +23,7 @@ import (
 	"github.com/docker/go-connections/nat"
 	"github.com/google/go-querystring/query"
 	"github.com/google/uuid"
+	fxConfig "github.com/metrue/fx/config"
 	containerruntimes "github.com/metrue/fx/container_runtimes"
 	"github.com/metrue/fx/types"
 	"github.com/metrue/fx/utils"
@@ -402,7 +403,7 @@ func (api *API) StartContainer(ctx context.Context, name string, image string, b
 	}
 
 	hostConfig := &dockerTypesContainer.HostConfig{
-		AutoRemove:   true,
+		AutoRemove:   !fxConfig.DisableContainerAutoremove,
 		PortBindings: portMap,
 	}
 

container_runtimes/docker/sdk/docker.go

@@ -18,6 +18,7 @@ import (
 	"github.com/docker/docker/client"
 	"github.com/docker/go-connections/nat"
 	"github.com/google/uuid"
+	fxConfig "github.com/metrue/fx/config"
 	containerruntimes "github.com/metrue/fx/container_runtimes"
 	"github.com/metrue/fx/types"
 	"github.com/metrue/fx/utils"
@@ -161,7 +162,7 @@ func (d *Docker) StartContainer(ctx context.Context, name string, image string,
 	}
 
 	hostConfig := &dockerTypesContainer.HostConfig{
-		AutoRemove:   true,
+		AutoRemove:   !fxConfig.DisableContainerAutoremove,
 		PortBindings: portMap,
 	}
 	resp, err := d.ContainerCreate(ctx, config, hostConfig, nil, name)

examples/functions/Perl/README.md

@@ -1,10 +1,12 @@
 # Make a Perl function a service with fx
 
-Write a function like,
+[![asciicast](https://asciinema.org/a/aXpr0jquwhhwhghiDCdC7nY8r.svg)](https://asciinema.org/a/aXpr0jquwhhwhghiDCdC7nY8r)
+
+
+### Hello World
 
 ```perl
 sub fx {
-  my $ctx = shift;
   return 'hello fx'
 }
 
@@ -14,7 +16,7 @@ sub fx {
 then deploy it with `fx up` command,
 
 ```shell
-$ fx up -p 8080:3000 func.pl
+$ fx up -p 8080 --name helloworld func.pl
 ```
 
 test it using `curl`
@@ -31,6 +33,36 @@ Date: Tue, 06 Aug 2019 15:58:41 GMT
 hello fx
 ```
 
+### Sum
+
+```perl
+sub fx {
+  my $ctx = shift;
+  my $a = $ctx->req->json->{"a"};
+  my $b = $ctx->req->json->{"b"};
+  return int($a) + int($b)
+}
+
+1;
+```
+
+```shell
+fx up --name add --port 40002 --force add.pl
+```
+
+Then test it with httpie.
+```shell
+$ http post 0.0.0.0:40002 a=1 b=2
+
+HTTP/1.1 200 OK
+Content-Length: 1
+Content-Type: application/json;charset=UTF-8
+Date: Thu, 02 Jan 2020 15:39:49 GMT
+Server: Mojolicious (Perl)
+
+3
+```
+
 ### ctx
 
 The `ctx` object is exactly the [Controller](https://mojolicious.org/perldoc/Mojolicious/Controller) of [Mojolicious](https://mojolicious.org/perldoc/Mojolicious) framework.

examples/functions/Perl/add.pl

@@ -0,0 +1,8 @@
+sub fx {
+  my $ctx = shift;
+  my $a = $ctx->req->json->{"a"};
+  my $b = $ctx->req->json->{"b"};
+  return int($a) + int($b)
+}
+
+1;

examples/functions/Perl/demo.cast

@@ -0,0 +1,417 @@
+{"version": 2, "width": 204, "height": 47, "timestamp": 1577978477, "env": {"SHELL": "/bin/zsh", "TERM": "xterm-256color"}}
+[1.14954, "o", "\u001b[1m\u001b[7m%\u001b[27m\u001b[1m\u001b[0m                                                                                                                                                                                                           \r \r"]
+[1.150447, "o", "\u001b]2;minhuang@C02ZL0RJLVDN: ~/Codes/fx/examples/functions/Perl\u0007\u001b]1;..unctions/Perl\u0007"]
+[1.198859, "o", "\r\u001b[0m\u001b[27m\u001b[24m\u001b[J\u001b[01;31m➜  \u001b[36mPerl\u001b[00m \u001b[01;34mgit:(\u001b[31mperl\u001b[34m) \u001b[33m✗\u001b[00m \u001b[K"]
+[1.199061, "o", "\u001b[?1h\u001b=\u001b[?2004h"]
+[2.253827, "o", "l"]
+[2.400431, "o", "\bls"]
+[2.55552, "o", "\u001b[?1l\u001b>"]
+[2.555606, "o", "\u001b[?2004l\r\r\n"]
+[2.557935, "o", "\u001b]2;ls -G\u0007\u001b]1;ls\u0007"]
+[2.565597, "o", "README.md add.pl    demo.cast hello.pl\r\n"]
+[2.566169, "o", "\u001b[1m\u001b[7m%\u001b[27m\u001b[1m\u001b[0m                                                                                                                                                                                                           \r \r"]
+[2.566464, "o", "\u001b]2;minhuang@C02ZL0RJLVDN: ~/Codes/fx/examples/functions/Perl\u0007\u001b]1;..unctions/Perl\u0007"]
+[2.616843, "o", "\r\u001b[0m\u001b[27m\u001b[24m\u001b[J\u001b[01;32m➜  \u001b[36mPerl\u001b[00m \u001b[01;34mgit:(\u001b[31mperl\u001b[34m) \u001b[33m✗\u001b[00m \u001b[K"]
+[2.617034, "o", "\u001b[?1h\u001b=\u001b[?2004h"]
+[2.915162, "o", "v"]
+[2.988711, "o", "\bvi"]
+[3.202168, "o", "m"]
+[3.350667, "o", " "]
+[4.12655, "o", "h"]
+[4.274974, "o", "e"]
+[4.416048, "o", "llo.pl\u001b[1m \u001b[0m"]
+[4.787927, "o", "\b\u001b[0m \b"]
+[4.788014, "o", "\u001b[?1l\u001b>\u001b[?2004l"]
+[4.788292, "o", "\r\r\n"]
+[4.789415, "o", "\u001b]2;/usr/local/Cellar/vim/8.2.0/bin/vim hello.pl\u0007\u001b]1;vim\u0007"]
+[4.946445, "o", "\u001b[?1000h\u001b[?1049h\u001b[>4;2m\u001b[?1h\u001b=\u001b[?2004h\u001b[1;47r\u001b[?12h\u001b[?12l\u001b[22;2t\u001b[22;1t"]
+[4.947253, "o", "\u001b[27m\u001b[29m\u001b[m\u001b[38;2;191;199;213m\u001b[48;2;41;45;62m\u001b[H\u001b[2J\u001b[?25l\u001b[47;1H\"hello.pl\""]
+[4.947367, "o", " 5L, 35C"]
+[4.955849, "o", "\u001b[?1000l\u001b[?2004l"]
+[4.974498, "o", "\u001b[?2004h\u001b[?1000h"]
+[5.109471, "o", "\u001b[?1000l\u001b[?2004l"]
+[5.11056, "o", "\u001b[?2004h"]
+[5.110849, "o", "\u001b[?1000h\u001b[?1000l\u001b[?2004l"]
+[5.113119, "o", "\u001b[?2004h\u001b[?1000h"]
+[5.113304, "o", "\u001b[?1000l\u001b[?2004l"]
+[5.116222, "o", "\u001b[?2004h\u001b[?1000h"]
+[5.116418, "o", "\u001b[?1000l\u001b[?2004l"]
+[5.12038, "o", "\u001b[?2004h\u001b[?1000h\u001b[?1000l\u001b[?2004l"]
+[5.125489, "o", "\u001b[?2004h\u001b[?1000h\u001b[?1000l\u001b[?2004l"]
+[5.132998, "o", "\u001b[?2004h"]
+[5.133158, "o", "\u001b[?1000h\u001b[?2004h"]
+[5.134064, "o", "\u001b[?1000l\u001b[?2004l"]
+[5.151895, "o", "\u001b[?2004h\u001b[?1000h"]
+[5.172471, "o", "\u001b[2;1H▽\u001b[6n\u001b[2;1H  \u001b[1;1H\u001b[>c"]
+[5.172688, "o", "\u001b]10;?\u0007\u001b]11;?\u0007"]
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+[35.345114, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K"]
+[35.345431, "o", "\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[Kdeploying add \u001b[34m[=====>              ]\u001b[0m "]
+[35.44826, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b"]
+[35.448627, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K"]
+[35.448919, "o", "deploying add \u001b[34m[======>             ]\u001b[0m "]
+[35.55305, "o", "\b\b\b\b\b\b\b\b\b\b\b\b"]
+[35.55356, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"]
+[35.55388, "o", "\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[Kdeploying add \u001b[34m[========>           ]\u001b[0m "]
+[35.65903, "o", "\b\b\b\b\b\b\b\b\b\b\b\b"]
+[35.65939, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K"]
+[35.659725, "o", "\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[Kdeploying add \u001b[34m[==========>         ]\u001b[0m "]
+[35.75989, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"]
+[35.760206, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K"]
+[35.760447, "o", "\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[Kdeploying add \u001b[34m[============>       ]\u001b[0m "]
+[35.86524, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"]
+[35.865663, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K"]
+[35.866145, "o", "\u001b[K\u001b[Kdeploying add \u001b[34m[==============>     ]\u001b[0m "]
+[35.970426, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"]
+[35.970849, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K"]
+[35.971211, "o", "\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[Kdeploying add \u001b[34m[================>   ]\u001b[0m "]
+[36.074506, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"]
+[36.07483, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K"]
+[36.0751, "o", "\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[Kdeploying add \u001b[34m[==================> ]\u001b[0m "]
+[36.175231, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"]
+[36.175434, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[Kdeploying add \u001b[34m[===================>]\u001b[0m "]
+[36.278976, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"]
+[36.279143, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K"]
+[36.279243, "o", "deploying add \u001b[34m[                    ]\u001b[0m "]
+[36.380487, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"]
+[36.380963, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K"]
+[36.381454, "o", "\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[Kdeploying add \u001b[34m[=>                  ]\u001b[0m "]
+[36.486341, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"]
+[36.487048, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[Kdeploying add \u001b[34m[===>                ]\u001b[0m "]
+[36.588875, "o", "\b\b\b\b\b\b\b"]
+[36.589343, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"]
+[36.589578, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K"]
+[36.589795, "o", "\u001b[K\u001b[K\u001b[K\u001b[K\u001b[Kdeploying add \u001b[34m[=====>              ]\u001b[0m "]
+[36.691472, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"]
+[36.691721, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[Kdeploying add \u001b[34m[======>             ]\u001b[0m "]
+[36.711906, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"]
+[36.712114, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K"]
+[36.714878, "o", "+------------------------------------------------------------------+------+---------------+\r\n|                                ID                                | NAME |   ENDPOINT    |"]
+[36.715104, "o", "\r\n+------------------------------------------------------------------+------+---------------+\r\n| 9ccf40c247b8cd6a82292fc526f6e1139432953b231ba4f51a1f18d4c13f6458 | /add | 0.0.0.0:40002 |\r\n+------------------------------------------------------------------+------+---------------+\r\n"]
+[36.716932, "o", "\u001b[1m\u001b[7m%\u001b[27m\u001b[1m\u001b[0m                                                                                                                                                                                                           \r \r"]
+[36.717114, "o", "\u001b]2;minhuang@C02ZL0RJLVDN: ~/Codes/fx/examples/functions/Perl\u0007"]
+[36.717147, "o", "\u001b]1;..unctions/Perl\u0007"]
+[36.779836, "o", "\r\u001b[0m\u001b[27m\u001b[24m\u001b[J\u001b[01;32m➜  \u001b[36mPerl\u001b[00m \u001b[01;34mgit:(\u001b[31mperl\u001b[34m) \u001b[33m✗\u001b[00m \u001b[K"]
+[36.779976, "o", "\u001b[?1h\u001b=\u001b[?2004h"]
+[37.398193, "o", "h"]
+[37.594295, "o", "\bht"]
+[37.71095, "o", "t"]
+[37.85487, "o", "p"]
+[38.075195, "o", " "]
+[38.247123, "o", "p"]
+[38.426405, "o", "o"]
+[39.448868, "o", "st 0.0.0.0:40002 a=1 b=2"]
+[40.51774, "o", "\u001b[?1l\u001b>\u001b[?2004l"]
+[40.517813, "o", "\r\r\n"]
+[40.518991, "o", "\u001b]2;http post 0.0.0.0:40002 a=1 b=2\u0007"]
+[40.51914, "o", "\u001b]1;http\u0007"]
+[40.811478, "o", "\u001b[34mHTTP\u001b[39;49;00m/\u001b[34m1.1\u001b[39;49;00m \u001b[34m200\u001b[39;49;00m \u001b[36mOK\u001b[39;49;00m\r\n\u001b[36mContent-Length\u001b[39;49;00m: 1\r\n\u001b[36mContent-Type\u001b[39;49;00m: application/json;charset=UTF-8\r\n\u001b[36mDate\u001b[39;49;00m: Thu, 02 Jan 2020 15:21:57 GMT\r\n\u001b[36mServer\u001b[39;49;00m: Mojolicious (Perl)\r\r\n\r\r\n"]
+[40.812798, "o", "\u001b[34m3\u001b[39;49;00m\r\n\r\n"]
+[40.837697, "o", "\u001b[1m\u001b[7m%\u001b[27m\u001b[1m\u001b[0m                                                                                                                                                                                                           \r \r"]
+[40.837901, "o", "\u001b]2;minhuang@C02ZL0RJLVDN: ~/Codes/fx/examples/functions/Perl\u0007\u001b]1;..unctions/Perl\u0007"]
+[40.890525, "o", "\r\u001b[0m\u001b[27m\u001b[24m\u001b[J\u001b[01;32m➜  \u001b[36mPerl\u001b[00m \u001b[01;34mgit:(\u001b[31mperl\u001b[34m) \u001b[33m✗\u001b[00m \u001b[K"]
+[40.890681, "o", "\u001b[?1h\u001b=\u001b[?2004h"]
+[43.215524, "o", "\u001b[?2004l\r\r\n"]

examples/functions/Perl/hello.pl

@@ -1,5 +1,4 @@
 sub fx {
-  my $ctx = shift;
   return 'hello fx'
 }
 

fx.go

@@ -14,9 +14,10 @@ import (
 	"github.com/metrue/fx/handlers"
 	"github.com/metrue/fx/middlewares"
 	"github.com/urfave/cli"
+	_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
 )
 
-const version = "0.8.81"
+const version = "0.9.3"
 
 func init() {
 	go checkForUpdate()
@@ -158,6 +159,7 @@ func main() {
 				middlewares.LoadConfig,
 				middlewares.Provision,
 				middlewares.Parse("up"),
+				middlewares.Language(),
 				middlewares.Binding,
 				middlewares.Build,
 				handlers.Up,
@@ -178,6 +180,13 @@ func main() {
 			Name:    "list",
 			Aliases: []string{"ls"},
 			Usage:   "list deployed services",
+			Flags: []cli.Flag{
+				cli.StringFlag{
+					Name:  "format, f",
+					Value: "table",
+					Usage: "output format, 'table' and 'JSON' supported",
+				},
+			},
 			Action: handle(
 				middlewares.Parse("list"),
 				middlewares.LoadConfig,
@@ -213,6 +222,7 @@ func main() {
 						middlewares.LoadConfig,
 						middlewares.Provision,
 						middlewares.Parse("image_build"),
+						middlewares.Language(),
 						handlers.BuildImage,
 					),
 				},
@@ -229,6 +239,7 @@ func main() {
 						middlewares.LoadConfig,
 						middlewares.Provision,
 						middlewares.Parse("image_export"),
+						middlewares.Language(),
 						handlers.ExportImage,
 					),
 				},

go.mod

@@ -5,16 +5,18 @@ go 1.12
 require (
 	github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 // indirect
 	github.com/Microsoft/go-winio v0.4.14 // indirect
-	github.com/apex/log v1.1.1
-	github.com/briandowns/spinner v1.7.0
+	github.com/apex/log v1.1.2
+	github.com/briandowns/spinner v1.9.0
 	github.com/docker/distribution v2.7.1+incompatible // indirect
 	github.com/docker/docker v0.0.0-20190313072916-46036c230805
 	github.com/docker/go-connections v0.4.0
 	github.com/docker/go-units v0.3.3 // indirect
 	github.com/dsnet/compress v0.0.1 // indirect
 	github.com/gin-gonic/gin v1.4.0
-	github.com/gobuffalo/packr v1.30.1
-	github.com/golang/mock v1.3.1
+	github.com/gobuffalo/envy v1.8.1 // indirect
+	github.com/gobuffalo/packd v0.3.0
+	github.com/gobuffalo/packr/v2 v2.8.0
+	github.com/golang/mock v1.4.2
 	github.com/golang/snappy v0.0.1 // indirect
 	github.com/google/go-querystring v1.0.0
 	github.com/google/uuid v1.1.1
@@ -30,18 +32,21 @@ require (
 	github.com/olekukonko/tablewriter v0.0.4
 	github.com/opencontainers/go-digest v1.0.0-rc1 // indirect
 	github.com/opencontainers/image-spec v1.0.1 // indirect
-	github.com/otiai10/copy v1.0.2
+	github.com/otiai10/copy v1.1.1
 	github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2
 	github.com/pierrec/lz4 v0.0.0-20190222153722-062282ea0dcf // indirect
-	github.com/pkg/errors v0.8.1
-	github.com/spf13/viper v1.6.1
-	github.com/stretchr/testify v1.4.0
+	github.com/pkg/errors v0.9.1
+	github.com/rogpeppe/go-internal v1.5.1 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/spf13/viper v1.6.2
+	github.com/stretchr/testify v1.5.1
 	github.com/ugorji/go v1.1.7 // indirect
-	github.com/urfave/cli v1.22.2
+	github.com/urfave/cli v1.22.3
 	github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 // indirect
-	golang.org/x/sys v0.0.0-20190712062909-fae7ac547cb7 // indirect
+	golang.org/x/crypto v0.0.0-20191219195013-becbf705a915 // indirect
+	golang.org/x/sys v0.0.0-20191223224216-5a3cf8467b4e // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
-	gopkg.in/yaml.v2 v2.2.7
+	gopkg.in/yaml.v2 v2.2.7 // indirect
 	gotest.tools v2.2.0+incompatible // indirect
 	k8s.io/api v0.0.0-20190925180651-d58b53da08f5
 	k8s.io/apimachinery v0.0.0-20190925235427-62598f38f24e

go.sum

@@ -1,5 +1,6 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.38.0 h1:ROfEUZz+Gh5pa62DJWXSaonyu3StP6EA6lPEXPI6mCo=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
@@ -20,8 +21,9 @@ github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbt
 github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/apex/log v1.1.1 h1:BwhRZ0qbjYtTob0I+2M+smavV0kOC8XgcnGZcyL9liA=
-github.com/apex/log v1.1.1/go.mod h1:Ls949n1HFtXfbDcjiTTFQqkVUrte0puoIBfO3SVgwOA=
+github.com/apex/log v1.1.2 h1:bnDuVoi+o98wOdVqfEzNDlY0tcmBia7r4YkjS9EqGYk=
+github.com/apex/log v1.1.2/go.mod h1:SyfRweFO+TlkIJ3DVizTSeI1xk7jOIIqOnUPZQTTsww=
+github.com/apex/logs v0.0.3/go.mod h1:XzxuLZ5myVHDy9SAmYpamKKRNApGj54PfYLcFrXqDwo=
 github.com/aphistic/golf v0.0.0-20180712155816-02c07f170c5a/go.mod h1:3NqKYiepwy8kCu4PNA+aP7WUV72eXWJeP9/r3/K9aLE=
 github.com/aphistic/sweet v0.2.0/go.mod h1:fWDlIh/isSE9n6EPsRmC0det+whmX6dJid3stzu0Xys=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
@@ -29,8 +31,8 @@ github.com/aws/aws-sdk-go v1.20.6/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN
 github.com/aybabtme/rgbterm v0.0.0-20170906152045-cc83f3b3ce59/go.mod h1:q/89r3U2H7sSsE2t6Kca0lfwTK8JdoNGS/yzM/4iH5I=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
-github.com/briandowns/spinner v1.7.0 h1:aan1hBBOoscry2TXAkgtxkJiq7Se0+9pt+TUWaPrB4g=
-github.com/briandowns/spinner v1.7.0/go.mod h1://Zf9tMcxfRUA36V23M6YGEAv+kECGfvpnLTnb8n4XQ=
+github.com/briandowns/spinner v1.9.0 h1:+OMAisemaHar1hjuJ3Z2hIvNhQl9Y7GLPWUwwz2Pxo8=
+github.com/briandowns/spinner v1.9.0/go.mod h1://Zf9tMcxfRUA36V23M6YGEAv+kECGfvpnLTnb8n4XQ=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
@@ -43,6 +45,7 @@ github.com/cpuguy83/go-md2man v1.0.10 h1:BSKMNlYxDvnunlTymqtgONjNnaRV1sTpcovwwjF
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/davecgh/go-spew v0.0.0-20151105211317-5215b55f46b2/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -87,12 +90,20 @@ github.com/go-openapi/swag v0.0.0-20160704191624-1d0bd113de87/go.mod h1:DXUve3Dp
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/gobuffalo/envy v1.7.0 h1:GlXgaiBkmrYMHco6t4j7SacKO4XUjvh5pwXh0f4uxXU=
 github.com/gobuffalo/envy v1.7.0/go.mod h1:n7DRkBerg/aorDM8kbduw5dN3oXGswK5liaSCx4T5NI=
+github.com/gobuffalo/envy v1.8.1 h1:RUr68liRvs0TS1D5qdW3mQv2SjAsu1QWMCx1tG4kDjs=
+github.com/gobuffalo/envy v1.8.1/go.mod h1:FurDp9+EDPE4aIUS3ZLyD+7/9fpx7YRt/ukY6jIHf0w=
+github.com/gobuffalo/logger v1.0.0 h1:xw9Ko9EcC5iAFprrjJ6oZco9UpzS5MQ4jAwghsLHdy4=
 github.com/gobuffalo/logger v1.0.0/go.mod h1:2zbswyIUa45I+c+FLXuWl9zSWEiVuthsk8ze5s8JvPs=
+github.com/gobuffalo/logger v1.0.3 h1:YaXOTHNPCvkqqA7w05A4v0k2tCdpr+sgFlgINbQ6gqc=
+github.com/gobuffalo/logger v1.0.3/go.mod h1:SoeejUwldiS7ZsyCBphOGURmWdwUFXs0J7TCjEhjKxM=
 github.com/gobuffalo/packd v0.3.0 h1:eMwymTkA1uXsqxS0Tpoop3Lc0u3kTfiMBE6nKtQU4g4=
 github.com/gobuffalo/packd v0.3.0/go.mod h1:zC7QkmNkYVGKPw4tHpBQ+ml7W/3tIebgeo1b36chA3Q=
-github.com/gobuffalo/packr v1.30.1 h1:hu1fuVR3fXEZR7rXNW3h8rqSML8EVAf6KNm0NKO/wKg=
-github.com/gobuffalo/packr v1.30.1/go.mod h1:ljMyFO2EcrnzsHsN99cvbq055Y9OhRrIaviy289eRuk=
+github.com/gobuffalo/packd v1.0.0 h1:6ERZvJHfe24rfFmA9OaoKBdC7+c9sydrytMg8SdFGBM=
+github.com/gobuffalo/packd v1.0.0/go.mod h1:6VTc4htmJRFB7u1m/4LeMTWjFoYrUiBkU9Fdec9hrhI=
+github.com/gobuffalo/packr/v2 v2.5.1 h1:TFOeY2VoGamPjQLiNDT3mn//ytzk236VMO2j7iHxJR4=
 github.com/gobuffalo/packr/v2 v2.5.1/go.mod h1:8f9c96ITobJlPzI44jj+4tHnEKNt0xXWSVlXRN9X1Iw=
+github.com/gobuffalo/packr/v2 v2.8.0 h1:IULGd15bQL59ijXLxEvA5wlMxsmx/ZkQv9T282zNVIY=
+github.com/gobuffalo/packr/v2 v2.8.0/go.mod h1:PDk2k3vGevNE3SwVyVRgQCCXETC9SaONCNSXT1Q8M1g=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/gogo/protobuf v1.2.2-0.20190723190241-65acae22fc9d h1:3PaI8p3seN09VjbTYC/QWlUZdZ1qS1zGjy7LH2Wt07I=
@@ -105,6 +116,10 @@ github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfb
 github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/mock v1.3.1 h1:qGJ6qTW+x6xX/my+8YUVl4WNpX9B7+/l2tRsHGZ7f2s=
 github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
+github.com/golang/mock v1.4.1 h1:ocYkMQY5RrXTYgXl7ICpV0IXwlEQGwKIsery4gyXa1U=
+github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
+github.com/golang/mock v1.4.2 h1:fXIkPzOBCwDUPvYmOPzETABgbqpYlYNigQ2o64eMr5c=
+github.com/golang/mock v1.4.2/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/protobuf v0.0.0-20161109072736-4bd1920723d7/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@@ -131,6 +146,7 @@ github.com/googleapis/gnostic v0.0.0-20170729233727-0c5108395e2d/go.mod h1:sJBsC
 github.com/googleapis/gnostic v0.3.1 h1:WeAefnSUHlBb0iJKwxFDZdbfGwkd7xRNuV+IpXMJhYk=
 github.com/googleapis/gnostic v0.3.1/go.mod h1:on+2t9HRStVgn95RSsFWFz+6Q0Snyqv1awfrALZdbtU=
 github.com/gophercloud/gophercloud v0.1.0/go.mod h1:vxM41WHh5uqHVBMZHzuwNOHh8XEoIEcSTewFxm1c5g8=
+github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/mux v1.7.3 h1:gnP5JzjVOuiZD07fKKToCAOjS0yOpj/qPETTXCCS6hw=
 github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
@@ -147,6 +163,7 @@ github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpO
 github.com/imdario/mergo v0.3.5/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
 github.com/imdario/mergo v0.3.7 h1:Y+UAYTZ7gDEuOfhxKWy+dvb5dRQ6rJjFSdX2HZY1/gI=
 github.com/imdario/mergo v0.3.7/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
+github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/joho/godotenv v1.3.0 h1:Zjp+RcGpHhGlrMbJzXTrZZPrWj+1vfm90La1wgB6Bhc=
@@ -158,10 +175,13 @@ github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCV
 github.com/json-iterator/go v1.1.7 h1:KfgG9LzI+pYjr4xvmz/5H4FXjokeP+rlHLhv3iH62Fo=
 github.com/json-iterator/go v1.1.7/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
+github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
 github.com/karrick/godirwalk v1.10.12 h1:BqUm+LuJcXjGv1d2mj3gBiQyrQ57a0rYoAmhvJQ7RDU=
 github.com/karrick/godirwalk v1.10.12/go.mod h1:RoGL9dQei4vP9ilrpETWE8CLOZ1kiN0LhBygSwrAsHA=
+github.com/karrick/godirwalk v1.15.3 h1:0a2pXOgtB16CqIqXTiT7+K9L73f74n/aNQUnH6Ortew=
+github.com/karrick/godirwalk v1.15.3/go.mod h1:j4mkqPuvaLI8mp1DroR3P6ad7cyYd4c1qeJ3RV7ULlk=
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
@@ -183,6 +203,12 @@ github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czP
 github.com/magiconair/properties v1.8.1 h1:ZC2Vc7/ZFkGmsVC9KvOjumD+G5lXy2RtTKyzRKO2BQ4=
 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/mailru/easyjson v0.0.0-20160728113105-d5b7844b561a/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
+github.com/markbates/errx v1.1.0 h1:QDFeR+UP95dO12JgW+tgi2UVfo0V8YBHiUIOaeBPiEI=
+github.com/markbates/errx v1.1.0/go.mod h1:PLa46Oex9KNbVDZhKel8v1OT7hD5JZ2eI7AHhA0wswc=
+github.com/markbates/oncer v1.0.0 h1:E83IaVAHygyndzPimgUYJjbshhDTALZyXxvk9FOlQRY=
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@@ -191,15 +217,9 @@ github.com/mattn/go-isatty v0.0.7 h1:UvyT9uN+3r7yLEYSlJsbQGdsaB/a0DlgWP3pql6iwOc
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@@ -224,8 +244,6 @@ github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f/go.mod h1:ZdcZmHo+
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@@ -239,8 +257,14 @@ github.com/opencontainers/image-spec v1.0.1 h1:JMemWkRwHx4Zj+fVxWoMCFm/8sYGGrUVo
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@@ -251,6 +275,8 @@ github.com/pierrec/lz4 v0.0.0-20190222153722-062282ea0dcf/go.mod h1:3/3N9NVKO0je
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@@ -269,6 +295,10 @@ github.com/rogpeppe/fastuuid v1.1.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6L
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@@ -281,8 +311,10 @@ github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMB
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@@ -294,15 +326,19 @@ github.com/spf13/cast v1.3.0 h1:oget//CVOEoFewqQxwr0Ej5yjygnqGkvggSE/gB35Q8=
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@@ -312,6 +348,8 @@ github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0
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@@ -327,10 +365,10 @@ github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs
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@@ -349,11 +387,16 @@ golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8U
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 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20170114055629-f2499483f923/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -370,6 +413,7 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859 h1:R/3boaszxrf1GEUWTVDzSKVwL
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190812203447-cdfb69ac37fc h1:gkKoSkUmnU6bpS/VhkuO27bzQeSA51uaEfbOW5dNb68=
 golang.org/x/net v0.0.0-20190812203447-cdfb69ac37fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be h1:vEDujvNQGv4jgYKudGeI/+DAX4Jffq6hpD55MmoEvKs=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -381,6 +425,7 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58 h1:8gQV6CLnAEikrhgkHFbMAEhagSSnXWGV915qUMm9mrU=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20170830134202-bb24a47a89ea/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -396,9 +441,10 @@ golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190515120540-06a5c4944438/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190712062909-fae7ac547cb7 h1:LepdCS8Gf/MVejFIt8lsiexZATdoGVyp5bcyS+rYoUI=
-golang.org/x/sys v0.0.0-20190712062909-fae7ac547cb7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191223224216-5a3cf8467b4e h1:z2Flw7sLy7DxaQi3zDOvI9X+Kb06+G9iZJlkEyHvujE=
+golang.org/x/sys v0.0.0-20191223224216-5a3cf8467b4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.0.0-20160726164857-2910a502d2bf/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
@@ -418,6 +464,11 @@ golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3
 golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190624180213-70d37148ca0c h1:KfpJVdWhuRqNk4XVXzjXf2KAV4TBEP77SYdFGjeGuIE=
 golang.org/x/tools v0.0.0-20190624180213-70d37148ca0c/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200308013534-11ec41452d41/go.mod h1:o4KQGtdN14AW+yjsvvwRTJJuXz8XRtIHtEnmAXLyFUw=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@@ -477,6 +528,10 @@ k8s.io/kube-openapi v0.0.0-20190816220812-743ec37842bf/go.mod h1:1TqjTSzOxsLGIKf
 k8s.io/utils v0.0.0-20190920012459-5008bf6f8cd6/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
 k8s.io/utils v0.0.0-20190923111123-69764acb6e8e h1:BXSmdH6S3YGLlhC89DZp+sNdYSmwNeDU6Xu5ZpzGOlM=
 k8s.io/utils v0.0.0-20190923111123-69764acb6e8e/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
+rsc.io/quote/v3 v3.1.0 h1:9JKUTTIUgS6kzR9mK1YuGKv6Nl+DijDNIc0ghT58FaY=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0 h1:7uVkIFmeBqHfdjD+gZwtXXI+RODJ2Wc4O7MPEh/QiW4=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
 sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=

handlers/image.go

@@ -6,13 +6,12 @@ import (
 	"time"
 
 	"github.com/apex/log"
+	"github.com/metrue/fx/bundle"
 	"github.com/metrue/fx/constants"
 	containerruntimes "github.com/metrue/fx/container_runtimes"
 	"github.com/metrue/fx/context"
-	"github.com/metrue/fx/packer"
+	"github.com/metrue/fx/hook"
 	"github.com/metrue/fx/pkg/spinner"
-	"github.com/metrue/fx/utils"
-	"github.com/otiai10/copy"
 )
 
 // BuildImage build image
@@ -24,21 +23,16 @@ func BuildImage(ctx context.Contexter) (err error) {
 	workdir := fmt.Sprintf("/tmp/fx-%d", time.Now().Unix())
 	defer os.RemoveAll(workdir)
 
-	sources := ctx.Get("sources").([]string)
+	fn := ctx.Get("fn").(string)
+	deps := ctx.Get("deps").([]string)
+	language := ctx.Get("language").(string)
 
-	if len(sources) == 0 {
-		return fmt.Errorf("source file/directory of function required")
+	if err := bundle.Bundle(workdir, language, fn, deps...); err != nil {
+		return err
 	}
-	if len(sources) == 1 &&
-		utils.IsDir(sources[0]) &&
-		utils.HasDockerfile(sources[0]) {
-		if err := copy.Copy(sources[0], workdir); err != nil {
-			return err
-		}
-	} else {
-		if err := packer.Pack(workdir, sources...); err != nil {
-			return err
-		}
+
+	if err := hook.RunBeforeBuildHook(workdir); err != nil {
+		return err
 	}
 
 	docker := ctx.Get("docker").(containerruntimes.ContainerRuntime)
@@ -53,21 +47,17 @@ func BuildImage(ctx context.Contexter) (err error) {
 // ExportImage export service's code into a directory
 func ExportImage(ctx context.Contexter) (err error) {
 	outputDir := ctx.Get("output").(string)
-	sources := ctx.Get("sources").([]string)
+	fn := ctx.Get("fn").(string)
+	deps := ctx.Get("deps").([]string)
 
-	if len(sources) == 0 {
-		return fmt.Errorf("source file/directory of function required")
+	language := ctx.Get("language").(string)
+
+	if err := bundle.Bundle(outputDir, language, fn, deps...); err != nil {
+		return err
 	}
-	if len(sources) == 1 &&
-		utils.IsDir(sources[0]) &&
-		utils.HasDockerfile(sources[0]) {
-		if err := copy.Copy(sources[0], outputDir); err != nil {
-			return err
-		}
-	} else {
-		if err := packer.Pack(outputDir, sources...); err != nil {
-			return err
-		}
+
+	if err := hook.RunBeforeBuildHook(outputDir); err != nil {
+		return err
 	}
 
 	log.Infof("exported to %v: %v", outputDir, constants.CheckedSymbol)

handlers/list.go

@@ -3,19 +3,19 @@ package handlers
 import (
 	"github.com/metrue/fx/context"
 	"github.com/metrue/fx/infra"
-	"github.com/metrue/fx/pkg/render"
+	"github.com/metrue/fx/pkg/renderrer"
 )
 
 // List command handle
 func List(ctx context.Contexter) (err error) {
 	cli := ctx.GetCliContext()
 	deployer := ctx.Get("deployer").(infra.Deployer)
+	format := ctx.Get("format").(string)
 
 	services, err := deployer.List(ctx.GetContext(), cli.Args().First())
 	if err != nil {
 		return err
 	}
 
-	render.Table(services)
-	return nil
+	return renderrer.Render(services, format)
 }

handlers/up.go

@@ -1,9 +1,10 @@
 package handlers
 
 import (
+	"github.com/apex/log"
 	"github.com/metrue/fx/context"
 	"github.com/metrue/fx/infra"
-	"github.com/metrue/fx/pkg/render"
+	"github.com/metrue/fx/pkg/renderrer"
 	"github.com/metrue/fx/types"
 )
 
@@ -20,6 +21,12 @@ func Up(ctx context.Contexter) (err error) {
 	name := ctx.Get("name").(string)
 	deployer := ctx.Get("deployer").(infra.Deployer)
 	bindings := ctx.Get("bindings").([]types.PortBinding)
+	force := ctx.Get("force").(bool)
+	if force && name != "" {
+		if err := deployer.Destroy(ctx.GetContext(), name); err != nil {
+			log.Warnf("destroy service %s failed: %v", name, err)
+		}
+	}
 
 	if err := deployer.Deploy(
 		ctx.GetContext(),
@@ -35,6 +42,5 @@ func Up(ctx context.Contexter) (err error) {
 	if err != nil {
 		return err
 	}
-	render.Table([]types.Service{service})
-	return nil
+	return renderrer.Render([]types.Service{service}, "table")
 }

handlers/up_test.go

@@ -11,30 +11,64 @@ import (
 )
 
 func TestUp(t *testing.T) {
-	ctrl := gomock.NewController(t)
-	defer ctrl.Finish()
+	t.Run("normally up", func(t *testing.T) {
+		ctrl := gomock.NewController(t)
+		defer ctrl.Finish()
 
-	ctx := mockCtx.NewMockContexter(ctrl)
-	deployer := mockDeployer.NewMockDeployer(ctrl)
+		ctx := mockCtx.NewMockContexter(ctrl)
+		deployer := mockDeployer.NewMockDeployer(ctrl)
 
-	bindings := []types.PortBinding{}
-	name := "sample-name"
-	image := "sample-image"
-	data := "sample-data"
-	ctx.EXPECT().Get("name").Return(name)
-	ctx.EXPECT().Get("image").Return(image)
-	ctx.EXPECT().Get("deployer").Return(deployer)
-	ctx.EXPECT().Get("bindings").Return(bindings)
-	ctx.EXPECT().Get("data").Return(data)
-	ctx.EXPECT().GetContext().Return(context.Background()).Times(2)
-	deployer.EXPECT().Deploy(gomock.Any(), data, name, image, bindings).Return(nil)
-	deployer.EXPECT().GetStatus(gomock.Any(), name).Return(types.Service{
-		ID:   "id-1",
-		Name: name,
-		Host: "127.0.0.1",
-		Port: 2100,
-	}, nil)
-	if err := Up(ctx); err != nil {
-		t.Fatal(err)
-	}
+		bindings := []types.PortBinding{}
+		name := "sample-name"
+		image := "sample-image"
+		data := "sample-data"
+		ctx.EXPECT().Get("name").Return(name)
+		ctx.EXPECT().Get("image").Return(image)
+		ctx.EXPECT().Get("deployer").Return(deployer)
+		ctx.EXPECT().Get("bindings").Return(bindings)
+		ctx.EXPECT().Get("data").Return(data)
+		ctx.EXPECT().Get("force").Return(false)
+		ctx.EXPECT().GetContext().Return(context.Background()).Times(2)
+		deployer.EXPECT().Deploy(gomock.Any(), data, name, image, bindings).Return(nil)
+		deployer.EXPECT().GetStatus(gomock.Any(), name).Return(types.Service{
+			ID:   "id-1",
+			Name: name,
+			Host: "127.0.0.1",
+			Port: 2100,
+		}, nil)
+		if err := Up(ctx); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	t.Run("normally up forcely", func(t *testing.T) {
+		ctrl := gomock.NewController(t)
+		defer ctrl.Finish()
+
+		ctx := mockCtx.NewMockContexter(ctrl)
+		deployer := mockDeployer.NewMockDeployer(ctrl)
+
+		bindings := []types.PortBinding{}
+		name := "sample-name"
+		image := "sample-image"
+		data := "sample-data"
+		ctx.EXPECT().Get("name").Return(name)
+		ctx.EXPECT().Get("image").Return(image)
+		ctx.EXPECT().Get("deployer").Return(deployer)
+		ctx.EXPECT().Get("bindings").Return(bindings)
+		ctx.EXPECT().Get("data").Return(data)
+		ctx.EXPECT().Get("force").Return(true)
+		ctx.EXPECT().GetContext().Return(context.Background()).Times(3)
+		deployer.EXPECT().Deploy(gomock.Any(), data, name, image, bindings).Return(nil)
+		deployer.EXPECT().Destroy(gomock.Any(), name).Return(nil)
+		deployer.EXPECT().GetStatus(gomock.Any(), name).Return(types.Service{
+			ID:   "id-1",
+			Name: name,
+			Host: "127.0.0.1",
+			Port: 2100,
+		}, nil)
+		if err := Up(ctx); err != nil {
+			t.Fatal(err)
+		}
+	})
 }

hook/.hooks/before_build

@@ -0,0 +1 @@
+npm install

hook/fixture/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "fixture",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "leftpad": "0.0.1"
+  }
+}

hook/hook.go

@@ -0,0 +1,73 @@
+package hook
+
+import (
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path/filepath"
+
+	"github.com/metrue/fx/utils"
+)
+
+// Hooker defines hook interface
+type Hooker interface {
+	Run() error
+}
+
+// Hook to run
+type Hook struct {
+	name   string
+	script string
+}
+
+// New a hook
+func New(name string, script string, workdir string) *Hook {
+	return &Hook{
+		name:   name,
+		script: script,
+	}
+}
+
+// Run execute a hook
+func (h *Hook) Run(workdir string) error {
+	var script string
+	if !utils.IsRegularFile(h.script) {
+		hookScript, err := ioutil.TempFile(os.TempDir(), "fx-hook-script-")
+		if err != nil {
+			return err
+		}
+		defer os.Remove(hookScript.Name())
+
+		content := []byte(h.script)
+		if _, err = hookScript.Write(content); err != nil {
+			return err
+		}
+		if err := hookScript.Close(); err != nil {
+			return err
+		}
+		script = hookScript.Name()
+	} else {
+		absScript, err := filepath.Abs(h.script)
+		if err != nil {
+			return err
+		}
+		script = absScript
+	}
+
+	cmd := exec.Command("/bin/sh", script)
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	if workdir != "" {
+		cmd.Dir = workdir
+	}
+
+	if err := cmd.Run(); err != nil {
+		return err
+	}
+	return nil
+}
+
+// Name hook name
+func (h *Hook) Name() string {
+	return h.name
+}

hook/hook_manager.go

@@ -0,0 +1,54 @@
+package hook
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/metrue/fx/utils"
+)
+
+// HookNameBeforeBuild before build hook
+const HookNameBeforeBuild = "before_build"
+
+// RunBeforeBuildHook trigger before_build hook
+func RunBeforeBuildHook(workdir string) error {
+	hooks, err := descovery("")
+	if err != nil {
+		return err
+	}
+	for _, h := range hooks {
+		if h.Name() == HookNameBeforeBuild {
+			if err := h.Run(workdir); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func descovery(hookdir string) ([]*Hook, error) {
+	if hookdir == "" {
+		dir, err := os.Getwd()
+		if err != nil {
+			return nil, err
+		}
+		hookdir = filepath.Join(dir, ".hooks")
+	}
+
+	hooks := []*Hook{}
+	if !utils.IsDir(hookdir) {
+		return hooks, nil
+	}
+	if err := filepath.Walk(hookdir, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if info.Name() == HookNameBeforeBuild {
+			hooks = append(hooks, New("before_build", path, ""))
+		}
+		return nil
+	}); err != nil {
+		return nil, err
+	}
+	return hooks, nil
+}

hook/hook_manager_test.go

@@ -0,0 +1,40 @@
+package hook
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestHookManager(t *testing.T) {
+	t.Run("descovery in default hookdir .hooks", func(t *testing.T) {
+		hooks, err := descovery("")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if len(hooks) != 1 {
+			t.Fatalf("should have one hook, but got %d", len(hooks))
+		}
+
+		if hooks[0].Name() != HookNameBeforeBuild {
+			t.Fatalf("should be before_build hook, but got %s", hooks[0].Name())
+		}
+	})
+
+	t.Run("descovery in empty hookdir", func(t *testing.T) {
+		hooks, err := descovery(filepath.Join(os.TempDir(), ".hooks"))
+		if err != nil {
+			t.Fatal(err)
+		}
+		if len(hooks) != 0 {
+			t.Fatalf("should get 0 hooks, but got %d", len(hooks))
+		}
+	})
+
+	t.Run("run before_build hook", func(t *testing.T) {
+		if err := RunBeforeBuildHook("fixture"); err != nil {
+			t.Fatal(err)
+		}
+	})
+}

hook/hook_test.go

@@ -0,0 +1,21 @@
+package hook
+
+import (
+	"testing"
+)
+
+func TestHook(t *testing.T) {
+	t.Run("text", func(t *testing.T) {
+		h := New("before_build", "npm install leftpad", "fixture")
+		if err := h.Run("fixture"); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	t.Run("script", func(t *testing.T) {
+		h := New("before_build", ".hooks/before_build", "fixture")
+		if err := h.Run("fixture"); err != nil {
+			t.Fatal(err)
+		}
+	})
+}

infra/docker/deployer.go

@@ -86,12 +86,6 @@ func (d *Deployer) Ping(ctx context.Context) error {
 
 // List services
 func (d *Deployer) List(ctx context.Context, name string) (svcs []types.Service, err error) {
-	const task = "listing"
-	spinner.Start(task)
-	defer func() {
-		spinner.Stop(task, err)
-	}()
-
 	// FIXME support remote host
 	return d.cli.ListContainer(ctx, name)
 }

k3s.cluster.json

@@ -1,5 +0,0 @@
-{
-  "master": "52.78.196.250",
-  "agents": [
-    "13.125.243.192",
-  ],

middlewares/build.go

@@ -5,13 +5,14 @@ import (
 	"os"
 	"time"
 
+	"github.com/metrue/fx/bundle"
 	containerruntimes "github.com/metrue/fx/container_runtimes"
 	"github.com/metrue/fx/context"
+	"github.com/metrue/fx/hook"
 	"github.com/metrue/fx/packer"
 	"github.com/metrue/fx/pkg/spinner"
 	"github.com/metrue/fx/types"
 	"github.com/metrue/fx/utils"
-	"github.com/otiai10/copy"
 )
 
 // Build image
@@ -38,22 +39,16 @@ func Build(ctx context.Contexter) (err error) {
 	// 		fx up func.js helper.js ./lib/
 
 	// When only one directory given and there is a Dockerfile in given directory, treat it as a containerized project and skip packing
-	sources := ctx.Get("sources").([]string)
+	fn := ctx.Get("fn").(string)
+	deps := ctx.Get("deps").([]string)
+	language := ctx.Get("language").(string)
 
-	if len(sources) == 0 {
-		return fmt.Errorf("source file/directory of function required")
+	if err := bundle.Bundle(workdir, language, fn, deps...); err != nil {
+		return err
 	}
 
-	if len(sources) == 1 &&
-		utils.IsDir(sources[0]) &&
-		utils.HasDockerfile(sources[0]) {
-		if err := copy.Copy(sources[0], workdir); err != nil {
-			return err
-		}
-	} else {
-		if err := packer.Pack(workdir, sources...); err != nil {
-			return err
-		}
+	if err := hook.RunBeforeBuildHook(workdir); err != nil {
+		return err
 	}
 
 	cloudType := ctx.Get("cloud_type").(string)

middlewares/language.go

@@ -0,0 +1,23 @@
+package middlewares
+
+import (
+	"fmt"
+	"path/filepath"
+
+	"github.com/metrue/fx/constants"
+	"github.com/metrue/fx/context"
+)
+
+// Language to find out what language of function is
+func Language() func(ctx context.Contexter) (err error) {
+	return func(ctx context.Contexter) error {
+		fn := ctx.Get("fn").(string)
+		ext := filepath.Ext(fn)
+		language, ok := constants.ExtLangMapping[ext]
+		if !ok {
+			return fmt.Errorf("%s not supported yet", ext)
+		}
+		ctx.Set("language", language)
+		return nil
+	}
+}

middlewares/language_test.go

@@ -0,0 +1,19 @@
+package middlewares
+
+import (
+	"testing"
+
+	"github.com/golang/mock/gomock"
+	mockCtx "github.com/metrue/fx/context/mocks"
+)
+
+func TestLanguage(t *testing.T) {
+	ctrl := gomock.NewController(t)
+	defer ctrl.Finish()
+	ctx := mockCtx.NewMockContexter(ctrl)
+	ctx.EXPECT().Get("fn").Return("/tmp/fx.js")
+	ctx.EXPECT().Set("language", "node")
+	if err := Language()(ctx); err != nil {
+		t.Fatal(err)
+	}
+}

middlewares/parse.go

@@ -5,6 +5,7 @@ import (
 
 	"github.com/google/uuid"
 	"github.com/metrue/fx/context"
+	"github.com/metrue/fx/utils"
 )
 
 // Parse parse input
@@ -13,15 +14,29 @@ func Parse(action string) func(ctx context.Contexter) (err error) {
 		cli := ctx.GetCliContext()
 		switch action {
 		case "up":
-			sources := []string{}
-			for _, s := range cli.Args() {
-				sources = append(sources, s)
+			if !cli.Args().Present() {
+				return fmt.Errorf("no function given")
 			}
-			ctx.Set("sources", sources)
+
+			if !utils.IsRegularFile(cli.Args().First()) {
+				return fmt.Errorf("invalid function source file: %s", cli.Args().First())
+			}
+			ctx.Set("fn", cli.Args().First())
+
+			deps := []string{}
+			for ind, s := range cli.Args() {
+				if ind != 0 {
+					deps = append(deps, s)
+				}
+			}
+			ctx.Set("deps", deps)
+
 			name := cli.String("name")
 			ctx.Set("name", name)
 			port := cli.Int("port")
 			ctx.Set("port", port)
+			force := cli.Bool("force")
+			ctx.Set("force", force)
 		case "down":
 			services := cli.Args()
 			if len(services) == 0 {
@@ -35,23 +50,49 @@ func Parse(action string) func(ctx context.Contexter) (err error) {
 		case "list":
 			name := cli.Args().First()
 			ctx.Set("filter", name)
+			format := cli.String("format")
+			ctx.Set("format", format)
 		case "image_build":
-			sources := []string{}
-			for _, s := range cli.Args() {
-				sources = append(sources, s)
+			if !cli.Args().Present() {
+				return fmt.Errorf("no function given")
 			}
-			ctx.Set("sources", sources)
+
+			if !utils.IsRegularFile(cli.Args().First()) {
+				return fmt.Errorf("invalid function source file: %s", cli.Args().First())
+			}
+			ctx.Set("fn", cli.Args().First())
+
+			deps := []string{}
+			for ind, s := range cli.Args() {
+				if ind != 0 {
+					deps = append(deps, s)
+				}
+			}
+			ctx.Set("deps", deps)
+
 			tag := cli.String("tag")
 			if tag == "" {
 				tag = uuid.New().String()
 			}
 			ctx.Set("tag", tag)
 		case "image_export":
-			sources := []string{}
-			for _, s := range cli.Args() {
-				sources = append(sources, s)
+			if !cli.Args().Present() {
+				return fmt.Errorf("no function given")
 			}
-			ctx.Set("sources", sources)
+
+			if !utils.IsRegularFile(cli.Args().First()) {
+				return fmt.Errorf("invalid function source file: %s", cli.Args().First())
+			}
+			ctx.Set("fn", cli.Args().First())
+
+			deps := []string{}
+			for ind, s := range cli.Args() {
+				if ind != 0 {
+					deps = append(deps, s)
+				}
+			}
+			ctx.Set("deps", deps)
+
 			outputDir := cli.String("output")
 			if outputDir == "" {
 				return fmt.Errorf("output directory required")

middlewares/parse_test.go

@@ -0,0 +1,53 @@
+package middlewares
+
+import (
+	"io/ioutil"
+	"os"
+	"testing"
+
+	"flag"
+
+	"github.com/golang/mock/gomock"
+	mockCtx "github.com/metrue/fx/context/mocks"
+	"github.com/urfave/cli"
+)
+
+func TestParse(t *testing.T) {
+	t.Run("source code not existed", func(t *testing.T) {
+		ctrl := gomock.NewController(t)
+		defer ctrl.Finish()
+
+		ctx := mockCtx.NewMockContexter(ctrl)
+		argset := flag.NewFlagSet("test", 0)
+		cli := cli.NewContext(nil, argset, nil)
+		argset.Parse([]string{"this_file_should_not_existed"})
+		ctx.EXPECT().GetCliContext().Return(cli)
+		if err := Parse("up")(ctx); err == nil {
+			t.Fatal("should got file or directory not existed error")
+		}
+	})
+	t.Run("source code ready", func(t *testing.T) {
+		ctrl := gomock.NewController(t)
+		defer ctrl.Finish()
+
+		ctx := mockCtx.NewMockContexter(ctrl)
+		argset := flag.NewFlagSet("test", 0)
+		cli := cli.NewContext(nil, argset, nil)
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		argset.Parse([]string{fd.Name()})
+		ctx.EXPECT().GetCliContext().Return(cli)
+		ctx.EXPECT().Set("fn", fd.Name())
+		ctx.EXPECT().Set("deps", []string{})
+		ctx.EXPECT().Set("name", "")
+		ctx.EXPECT().Set("port", 0)
+		ctx.EXPECT().Set("force", false)
+		if err := Parse("up")(ctx); err != nil {
+			t.Fatal(err)
+		}
+	})
+}

packer/images/php/Dockerfile

@@ -1,5 +0,0 @@
-FROM php:latest
-
-COPY . .
-EXPOSE 3000
-CMD php -S 0.0.0.0:3000

packer/images/php/fx.php

@@ -1,4 +0,0 @@
-<?php
-    function Fx($input) {
-        return $input["a"]+$input["b"];
-    }

packer/images/php/index.php

@@ -1,6 +0,0 @@
-<?php
-    include("fx.php");
-    $data = file_get_contents("php://input");
-    $res = json_decode($data,true);
-    $v = Fx($res);
-    echo $v;

packer/packer.go

@@ -3,164 +3,14 @@ package packer
 import (
 	"encoding/base64"
 	"encoding/json"
-	"fmt"
 	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
 
-	"github.com/gobuffalo/packr"
 	"github.com/metrue/fx/utils"
-	"github.com/otiai10/copy"
 )
 
-var presets packr.Box
-
-func init() {
-	presets = packr.NewBox("./images")
-}
-
-// Pack pack a file or directory into a Docker project
-func Pack(output string, input ...string) error {
-	if len(input) == 0 {
-		return fmt.Errorf("source file or directory required")
-	}
-
-	var language string
-	for _, f := range input {
-		if utils.IsRegularFile(f) {
-			lang, err := langFromFileName(f)
-			if err == nil {
-				language = lang
-			}
-		} else if utils.IsDir(f) {
-			if err := filepath.Walk(f, func(path string, info os.FileInfo, err error) error {
-				if err != nil {
-					return err
-				}
-				if utils.IsRegularFile(path) {
-					lang, err := langFromFileName(path)
-					if err == nil {
-						language = lang
-					}
-				}
-				return nil
-			}); err != nil {
-				return err
-			}
-		}
-	}
-
-	if language == "" {
-		return fmt.Errorf("could not tell programe language of your input source codes")
-	}
-
-	if err := restore(output, language); err != nil {
-		return err
-	}
-
-	if len(input) == 1 {
-		stat, err := os.Stat(input[0])
-		if err != nil {
-			return err
-		}
-		if stat.Mode().IsRegular() {
-			if err := filepath.Walk(output, func(path string, info os.FileInfo, err error) error {
-				if err != nil {
-					return err
-				}
-
-				if isHandler(path) {
-					if err := copy.Copy(input[0], path); err != nil {
-						return err
-					}
-				}
-
-				return nil
-			}); err != nil {
-				return err
-			}
-		}
-		return nil
-	}
-
-	if !hasFxHandleFile(input...) {
-		msg := `it requires a fx handle file when input is not a single file function, e.g.
-fx.go for Golang
-Fx.java for Java
-fx.php for PHP
-fx.py for Python
-fx.js for JavaScript or Node
-fx.rb for Ruby
-fx.jl for Julia
-fx.pl for Perl
-fx.d for D`
-		return fmt.Errorf(msg)
-	}
-
-	if err := merge(output, input...); err != nil {
-		return err
-	}
-	return nil
-}
-
-func restore(output string, lang string) error {
-	for _, name := range presets.List() {
-		prefix := fmt.Sprintf("%s/", lang)
-		if strings.HasPrefix(name, prefix) {
-			content, err := presets.FindString(name)
-			if err != nil {
-				return err
-			}
-
-			filePath := filepath.Join(output, strings.Replace(name, prefix, "", 1))
-			if err := utils.EnsureFile(filePath); err != nil {
-				return err
-			}
-			if err := ioutil.WriteFile(filePath, []byte(content), 0666); err != nil {
-				return err
-			}
-		}
-	}
-	return nil
-}
-
-func merge(dest string, input ...string) error {
-	for _, file := range input {
-		stat, err := os.Stat(file)
-		if err != nil {
-			return err
-		}
-		if stat.Mode().IsRegular() {
-			targetFilePath := filepath.Join(dest, stat.Name())
-			if err := utils.EnsureFile(targetFilePath); err != nil {
-				return err
-			}
-			body, err := ioutil.ReadFile(file)
-			if err != nil {
-				return err
-			}
-			if err := ioutil.WriteFile(targetFilePath, body, 0644); err != nil {
-				return err
-			}
-		} else if stat.Mode().IsDir() {
-			if err := filepath.Walk(file, func(path string, info os.FileInfo, err error) error {
-				if err != nil {
-					return err
-				}
-
-				if err := copy.Copy(file, dest); err != nil {
-					return err
-				}
-				return nil
-			}); err != nil {
-				return err
-			}
-		}
-	}
-	return nil
-}
-
 // PackIntoK8SConfigMapFile pack function a K8S config map file
 func PackIntoK8SConfigMapFile(dir string) (string, error) {
 	tree := map[string]string{}

packer/packer_test.go

@@ -1,182 +1,12 @@
 package packer
 
 import (
-	"fmt"
-	"io/ioutil"
-	"log"
-	"os"
-	"os/exec"
 	"testing"
-	"time"
-
-	"github.com/metrue/fx/utils"
 )
 
-func TestPacker(t *testing.T) {
-	t.Run("Pack directory with Dockerfile in it", func(t *testing.T) {
-		input := "./fixture/p1"
-		output := "output-1"
-		defer func() {
-			os.RemoveAll(output)
-		}()
-		if err := Pack(output, input); err != nil {
-			t.Fatal(err)
-		}
-	})
-
-	t.Run("Pack directory only fx.js in it", func(t *testing.T) {
-		input := "./fixture/p2"
-		output := "output-2"
-		defer func() {
-			os.RemoveAll(output)
-		}()
-		if err := Pack(output, input); err != nil {
-			t.Fatal(err)
-		}
-	})
-
-	t.Run("Pack directory with fx.js and helper in it", func(t *testing.T) {
-		input := "./fixture/p3"
-		output := "output-3"
-		defer func() {
-			os.RemoveAll(output)
-		}()
-		if err := Pack(output, input); err != nil {
-			t.Fatal(err)
-		}
-	})
-
-	t.Run("Pack files list with fx.js in it", func(t *testing.T) {
-		handleFile := "./fixture/p3/fx.js"
-		helperFile := "./fixture/p3/helper.js"
-		output := "output-4"
-		defer func() {
-			os.RemoveAll(output)
-		}()
-		if err := Pack(output, handleFile, helperFile); err != nil {
-			t.Fatal(err)
-		}
-	})
-
-	t.Run("Pack files list without fx.js in it", func(t *testing.T) {
-		f1 := "./fixture/p3/helper.js"
-		f2 := "./fixture/p3/helper.js"
-		output := "output-5"
-		defer func() {
-			os.RemoveAll(output)
-		}()
-		if err := Pack(output, f1, f2); err == nil {
-			t.Fatalf("should report error when there is not Dockerfile or fx.[ext] in it")
-		}
-	})
-}
-
 func TestTreeAndUnTree(t *testing.T) {
 	_, err := PackIntoK8SConfigMapFile("./fixture/p1")
 	if err != nil {
 		t.Fatal(err)
 	}
 }
-
-func TestGenerate(t *testing.T) {
-	langs := []string{
-		"d",
-		"go",
-		"java",
-		"julia",
-		"node",
-		"php",
-		"python",
-		"ruby",
-		"rust",
-	}
-	for _, lang := range langs {
-		output := fmt.Sprintf("output-%s-%d", lang, time.Now().Unix())
-		defer func() {
-			os.RemoveAll(output)
-		}()
-		if err := restore(output, lang); err != nil {
-			t.Fatal(err)
-		}
-		diffCmd := exec.Command("diff", "-r", output, "./images/"+lang)
-		if stdoutStderr, err := diffCmd.CombinedOutput(); err != nil {
-			fmt.Printf("%s\n", stdoutStderr)
-			t.Fatal(err)
-		}
-	}
-}
-
-func TestMerge(t *testing.T) {
-	// TODO should check the merge result
-	t.Run("NoInput", func(t *testing.T) {
-		dest := "./dest"
-		_ = utils.EnsureDir("./dest")
-		defer func() {
-			os.RemoveAll(dest)
-		}()
-
-		if err := merge(dest); err != nil {
-			t.Fatal(err)
-		}
-	})
-
-	t.Run("Files", func(t *testing.T) {
-		dest := "./dest"
-		_ = utils.EnsureDir("./dest")
-		defer func() {
-			os.RemoveAll(dest)
-		}()
-
-		f1, err := ioutil.TempFile("", "fx.*.txt")
-		if err != nil {
-			log.Fatal(err)
-		}
-		defer os.Remove(f1.Name())
-
-		f2, err := ioutil.TempFile("", "fx.*.txt")
-		if err != nil {
-			log.Fatal(err)
-		}
-		defer os.Remove(f2.Name())
-
-		if err := merge(dest, f1.Name(), f2.Name()); err != nil {
-			t.Fatal(err)
-		}
-	})
-
-	t.Run("Directories", func(t *testing.T) {
-		dest := "./dest"
-		_ = utils.EnsureDir("./dest")
-		defer func() {
-			os.RemoveAll(dest)
-		}()
-
-		if err := merge(dest, "./fixture/p1"); err != nil {
-			t.Fatal(err)
-		}
-	})
-
-	t.Run("Files and Directories", func(t *testing.T) {
-		dest := "./dest"
-		_ = utils.EnsureDir("./dest")
-		defer func() {
-			os.RemoveAll(dest)
-		}()
-
-		f1, err := ioutil.TempFile("", "fx.*.txt")
-		if err != nil {
-			log.Fatal(err)
-		}
-		defer os.Remove(f1.Name())
-
-		f2, err := ioutil.TempFile("", "fx.*.txt")
-		if err != nil {
-			log.Fatal(err)
-		}
-		defer os.Remove(f2.Name())
-
-		if err := merge(dest, "./fixture/p1", f1.Name(), f2.Name()); err != nil {
-			t.Fatal(err)
-		}
-	})
-}

packer/rules.go

@@ -2,11 +2,7 @@ package packer
 
 import (
 	"fmt"
-	"os"
 	"path/filepath"
-	"strings"
-
-	"github.com/metrue/fx/utils"
 )
 
 // ExtLangMapping file extension mapping with programming language
@@ -23,14 +19,6 @@ var ExtLangMapping = map[string]string{
 	".pl":   "perl",
 }
 
-func isHandler(name string) bool {
-	basename := filepath.Base(name)
-	nameWithoutExt := strings.TrimSuffix(basename, filepath.Ext(basename))
-	return nameWithoutExt == "fx" ||
-		nameWithoutExt == "Fx" || // Fx is for Java
-		nameWithoutExt == "mod" // mod.rs is for Rust
-}
-
 func langFromFileName(fileName string) (string, error) {
 	if fileName == "" {
 		return "", fmt.Errorf("file name should not be empty")
@@ -43,28 +31,3 @@ func langFromFileName(fileName string) (string, error) {
 	}
 	return lang, nil
 }
-
-func hasFxHandleFile(input ...string) bool {
-	var handleFile string
-	for _, file := range input {
-		if utils.IsRegularFile(file) && isHandler(file) {
-			handleFile = file
-			break
-		} else if utils.IsDir(file) {
-			if err := filepath.Walk(file, func(path string, info os.FileInfo, err error) error {
-				if err != nil {
-					return err
-				}
-
-				if utils.IsRegularFile(path) && isHandler(info.Name()) {
-					handleFile = path
-				}
-				return nil
-			}); err != nil {
-				return false
-			}
-		}
-	}
-
-	return handleFile != ""
-}

pkg/render/render.go

@@ -1,27 +0,0 @@
-package render
-
-import (
-	"fmt"
-	"os"
-
-	"github.com/metrue/fx/types"
-	"github.com/olekukonko/tablewriter"
-)
-
-// Table output services as table format
-func Table(services []types.Service) {
-	data := [][]string{}
-	for _, s := range services {
-		col := []string{
-			s.ID,
-			s.Name,
-			fmt.Sprintf("%s:%d", s.Host, +s.Port),
-		}
-		data = append(data, col)
-	}
-
-	table := tablewriter.NewWriter(os.Stdout)
-	table.SetHeader([]string{"ID", "Name", "Endpoint"})
-	table.AppendBulk(data)
-	table.Render()
-}

pkg/render/render_test.go

@@ -1,19 +0,0 @@
-package render
-
-import (
-	"testing"
-
-	"github.com/metrue/fx/types"
-)
-
-func TestTable(t *testing.T) {
-	services := []types.Service{
-		types.Service{
-			ID:   "id-1",
-			Name: "name-1",
-			Host: "127.0.0.1",
-			Port: 1000,
-		},
-	}
-	Table(services)
-}

pkg/renderrer/renderrer.go

@@ -0,0 +1,53 @@
+package renderrer
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/metrue/fx/types"
+	"github.com/olekukonko/tablewriter"
+)
+
+const formatJSON = "json"
+
+//nolint:unused,varcheck,deadcode
+const formatTable = "table"
+
+// Render render output with given format
+func Render(services []types.Service, format string) error {
+	if strings.ToLower(format) == formatJSON {
+		return toJSON(services)
+	}
+	return toTable(services)
+}
+
+func toTable(services []types.Service) error {
+	data := [][]string{}
+	for _, s := range services {
+		col := []string{
+			s.ID,
+			s.Name,
+			fmt.Sprintf("%s:%d", s.Host, +s.Port),
+		}
+		data = append(data, col)
+	}
+
+	table := tablewriter.NewWriter(os.Stdout)
+	table.SetHeader([]string{"ID", "Name", "Endpoint"})
+	table.AppendBulk(data)
+	table.Render()
+	return nil
+}
+
+func toJSON(services []types.Service) error {
+	output, err := json.Marshal(services)
+	if err != nil {
+		return err
+	}
+	if _, err := fmt.Print(string(output)); err != nil {
+		return err
+	}
+	return nil
+}