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[id="readme"]
= `odo` - Developer-focused CLI for OpenShift
:toc: macro
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https://github.com/openshift/odo/releases/latest[image:https://img.shields.io/github/v/release/openshift/odo?style=for-the-badge[GitHub release]]
https://travis-ci.com/openshift/odo[image:https://img.shields.io/travis/com/openshift/odo?style=for-the-badge[Build Status]]
image:https://img.shields.io/github/license/openshift/odo?style=for-the-badge[License]


[[overview]]
== Overview

OpenShift Do (`odo`) is a fast, iterative, and straightforward CLI tool for developers who write, build, and deploy applications on OpenShift.

Existing tools such as `oc` are more operations-focused and require a deep-understanding of Kubernetes and OpenShift concepts. `odo` abstracts away complex Kubernetes and OpenShift concepts for the developer, thus allowing developers to focus on what is most important to them: code.

[[key-features]]
== Key features

`odo` is designed to be simple and concise with the following key features:

* Simple syntax and design centered around concepts familiar to developers, such as project, application, and component.
* Completely client based. No server is required within the OpenShift cluster for deployment.
* Supports multiple languages and frameworks such as Node.js, Java, Ruby, Perl, PHP, and Python.
* Detects changes to local code and deploys it to the cluster automatically, giving instant feedback to validate changes in real-time.
* Lists all available components and services from the OpenShift cluster.

[[official-documentation]]
== Official documentation

* link:https://docs.openshift.com/container-platform/4.2/cli_reference/openshift_developer_cli/installing-odo.html[Installing odo]
* link:https://docs.openshift.com/container-platform/4.2/cli_reference/openshift_developer_cli/creating-a-single-component-application-with-odo.html[Creating a single-component application with odo]
* link:https://docs.openshift.com/container-platform/4.2/cli_reference/openshift_developer_cli/creating-a-multicomponent-application-with-odo.html[Creating a multicomponent application with odo]
* link:https://docs.openshift.com/container-platform/4.2/cli_reference/openshift_developer_cli/creating-an-application-with-a-database.html[Creating an application with a database]
* link:https://docs.openshift.com/container-platform/4.2/cli_reference/openshift_developer_cli/configuring-the-odo-cli.html[Configuring the odo CLI]
* link:https://docs.openshift.com/container-platform/4.2/cli_reference/openshift_developer_cli/odo-cli-reference.html[odo CLI reference]
* link:https://docs.openshift.com/container-platform/4.2/cli_reference/openshift_developer_cli/odo-release-notes.html[odo release notes]

[[installing-odo]]

== Installing `odo`

To install on Linux / Windows / macOS follow our guide located on link:https://docs.openshift.com/container-platform/4.2/cli_reference/openshift_developer_cli/installing-odo.html[docs.openshift.com]. All binaries and tarballs are synced between our link:https://github.com/openshift/odo/releases[GitHub releases] and link:https://mirror.openshift.com/pub/openshift-v4/clients/odo/[OpenShift mirrors].

[[deploying-your-first-application]]
== Deploying your first application

Click on the tutorial below to deploy your first `odo` application:

link:https://docs.openshift.com/container-platform/4.2/cli_reference/openshift_developer_cli/creating-a-single-component-application-with-odo.html[Creating a single-component application with odo]

The following demonstration provides an overview of `odo`:

https://asciinema.org/a/wVkVgUrO7PGR5CYBFbHB5fFDn[image:https://asciinema.org/a/wVkVgUrO7PGR5CYBFbHB5fFDn.svg[asciicast]]

[[contributing]]
== Community, discussion, contribution, and support

*Discussions:* For any discussions or help with `odo`, you can use our link:https://groups.google.com/forum/#!forum/odo-users[Google group] or open a link:https://github.com/openshift/odo/issues[GitHub issue].

*Issues:* If you have an issue with `odo`, please link:https://github.com/openshift/odo/issues[file it].

*Documentation Issues*: If you have any documentation issues related to the link:https://docs.openshift.com[docs.openshift.com] site, file an issue in link:https://bugzilla.redhat.com/[Bugzilla]. Choose the OpenShift Container Platform product type and the Documentation component type.

*Contributing:* Want to become a contributor and submit your own code?
Have a look at our link:https://github.com/openshift/odo/blob/master/docs/dev/development.adoc[Development Guide].

[[projects-using-odo]]
== Projects using odo

These are some of the IDE plugins which use odo:

* link:https://marketplace.visualstudio.com/items?itemName=redhat.vscode-openshift-connector[VS Code Openshift Connector]
* link:http://plugins.jetbrains.com/plugin/12030-openshift-connector-by-red-hat[Openshift Connector for Intellij]


[[glossary]]
== Glossary

*Application:* An application consists of multiple microservices or components that work individually to build the entire application.

*Component:* A component is similar to a microservice. Multiple
components make up an application. A component has different attributes like storage. `odo` supports multiple component types like nodejs, perl, php, python, and ruby.

*Service:* Typically a service is a database or a service that a
component links to or depends on. For example: MariaDB, Jenkins, MySQL.
This comes from the OpenShift Service Catalog and must be enabled within your cluster.