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| <a class="nav-link" href="../../end-user-guide/using-jetbrains-intellij-idea-ultimate-edition/">Using IntelliJ Idea Ultimate Edition</a> |
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| <a class="nav-link" href="../../end-user-guide/configuring-an-existing-workspace-to-use-intellij-idea/">Configuring an existing workspace to use IntelliJ IDEA</a> |
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| <a class="nav-link" href="../../end-user-guide/provisioning-jetbrains-activation-code-for-offline-use/">Provisioning activation code for offline use</a> |
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| <a class="nav-link" href="../../end-user-guide/adding-tools-to-che-after-creating-a-workspace/">Adding tools to Che after creating a workspace</a> |
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| <a class="nav-link" href="../../end-user-guide/using-private-container-registries/">Using private container registries</a> |
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| <a class="nav-link" href="../../end-user-guide/using-maven-artifact-repositories/">Using Maven artifact repositories</a> |
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| <a class="nav-link" href="../../end-user-guide/using-gradle-artifact-repositories/">Using Gradle artifact repositories</a> |
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| <a class="nav-link" href="../../end-user-guide/using-go-artifact-repositories/">Using Go artifact repositories</a> |
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| <a class="nav-link" href="../../end-user-guide/using-npm-artifact-repositories/">Using npm artifact repositories</a> |
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| <a class="nav-link" href="../../end-user-guide/viewing-che-workspaces-logs/">Viewing Che workspaces logs</a> |
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| <a class="nav-link" href="../../installation-guide/configuring-the-che-installation/">Configuring the Che installation</a> |
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| <a class="nav-link" href="../../installation-guide/installing-che/">Installing Che</a> |
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| <a class="nav-link" href="../../installation-guide/installing-che-in-cloud/">Installing Che in cloud</a> |
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| <a class="nav-link" href="../../installation-guide/installing-che-on-openshift-4-using-operatorhub/">Installing Che on OpenShift 4 using OperatorHub</a> |
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| <a class="nav-link" href="../../installation-guide/installing-che-on-openshift-4-using-cli/">Installing Che on OpenShift 4 using CLI</a> |
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| <a class="nav-link" href="../../installation-guide/installing-che-on-openshift-3-using-the-operator/">Installing Che on OpenShift 3</a> |
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| <li class="nav-item" data-depth="3"> |
| <a class="nav-link" href="../../installation-guide/installing-che-on-kubespray/">Installing Che on Kubespray</a> |
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| <a class="nav-link" href="../../installation-guide/installing-che-on-aws/">Installing Che on AWS</a> |
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| <li class="nav-item" data-depth="3"> |
| <a class="nav-link" href="../../installation-guide/installing-che-on-google-cloud-platform/">Installing Che on Google Cloud</a> |
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| <li class="nav-item" data-depth="3"> |
| <a class="nav-link" href="../../installation-guide/installing-che-on-microsoft-azure/">Installing Che on Microsoft Azure</a> |
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| <button class="nav-item-toggle"></button> |
| <a class="nav-link" href="../../installation-guide/installing-che-locally/">Installing Che locally</a> |
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| <a class="nav-link" href="../../installation-guide/installing-che-on-codeready-containers/">Installing Che on CodeReady Containers</a> |
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| <li class="nav-item" data-depth="3"> |
| <a class="nav-link" href="../../installation-guide/installing-che-on-docker-desktop/">Installing Che on Docker Desktop</a> |
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| <li class="nav-item" data-depth="3"> |
| <a class="nav-link" href="../../installation-guide/installing-che-on-minikube/">Installing Che on Minikube</a> |
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| <li class="nav-item" data-depth="3"> |
| <a class="nav-link" href="../../installation-guide/installing-che-on-minishift/">Installing Che on Minishift</a> |
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| <li class="nav-item" data-depth="3"> |
| <a class="nav-link" href="../../installation-guide/installing-che-on-kind/">Installing Che on Kind</a> |
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| </ul> |
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| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/using-the-chectl-management-tool/">Using the chectl management tool</a> |
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| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/installing-che-in-a-restricted-environment/">Installing Che in restricted environment</a> |
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| </ul> |
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| <button class="nav-item-toggle"></button> |
| <a class="nav-link" href="../../installation-guide/advanced-configuration/">Advanced configuration</a> |
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| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/advanced-configuration-options-for-the-che-server-component/">Advanced configuration options for Che server</a> |
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| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/configuring-namespace-strategies/">Configuring workspace target namespace</a> |
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| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/configuring-storage-strategies/">Configuring storage strategies</a> |
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| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/configuring-storage-types/">Configuring storage types</a> |
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| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/configuring-the-number-of-workspaces-that-a-user-can-run/">Configuring the number of workspaces that a user can run</a> |
| </li> |
| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/configuring-the-number-of-workspaces-that-a-user-can-create/">Configuring the number of workspaces that a user can create</a> |
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| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/configuring-workspace-exposure-strategies/">Configuring workspace exposure strategies</a> |
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| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/configuring-workspaces-nodeselector/">Configuring workspaces nodeSelector</a> |
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| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/configuring-che-hostname/">Configuring Che hostname</a> |
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| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/configuring-ingresses/">Configuring Kubernetes Ingress</a> |
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| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/configuring-routes/">Configuring OpenShift Route</a> |
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| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/deploying-che-with-support-for-git-repositories-with-self-signed-certificates/">Deploying Che with support for Git repositories with self-signed certificates</a> |
| </li> |
| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/installing-che-using-storage-classes/">Installing Che using storage classes</a> |
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| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/importing-untrusted-tls-certificates/">Importing untrusted TLS certificates to Che</a> |
| </li> |
| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/switching-between-external-and-internal-communication/">Switching between external and internal ways in inter-component communication</a> |
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| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/setting-up-the-keycloak-che-username-readonly-theme-for-the-eclipse-che-login-page/">Setting up the Keycloak che-username-readonly theme for the Eclipse Che login page</a> |
| </li> |
| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/mounting-a-secret-as-a-file-or-an-environment-variable-into-a-container/">Mounting a Secret or a ConfigMap as a file or an environment variable into a Eclipse Che container</a> |
| </li> |
| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/enabling-dev-workspace-engine/">Enabling Dev Workspace engine</a> |
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| </ul> |
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| <li class="nav-item" data-depth="1"> |
| <button class="nav-item-toggle"></button> |
| <a class="nav-link" href="../../installation-guide/upgrading-che/">Upgrading Che</a> |
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| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/upgrading-che-using-operatorhub/">Upgrading Che using OperatorHub</a> |
| </li> |
| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/upgrading-che-using-the-cli-management-tool/">Upgrading Che using the CLI management tool</a> |
| </li> |
| <li class="nav-item" data-depth="2"> |
| <a class="nav-link" href="../../installation-guide/upgrading-che-using-the-cli-management-tool-in-restricted-environment/">Upgrading Che in restricted environment</a> |
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| <li class="nav-item" data-depth="2"> |
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| <a class="nav-link" href="../../contributor-guide/publishing-che-theia-plug-ins/">Publishing Che-Theia plug-ins</a> |
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| <a class="nav-link" href="../../extensions/connecting-source-code-from-github-to-a-openshift-component-using-openshift-connector/">Connecting source code from GitHub to a OpenShift Component</a> |
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| <a class="nav-link" href="../../extensions/the-woopra-telemetry-plugin/">The Woopra Telemetry Plugin</a> |
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| <a class="nav-link" href="../../extensions/java-lombok/">Java Lombok</a> |
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| <span class="version">master</span> |
| </div> |
| <ul class="components"> |
| <li class="component is-current"> |
| <a class="title" href="./">Documentation</a> |
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| <li><a href="./">Introduction to Che</a></li> |
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| <div class="edit-this-page"><a href="https://github.com/eclipse/che-docs/edit/master/modules/overview/pages/introduction-to-eclipse-che.adoc">Edit this Page</a></div> |
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| <div class="content"> |
| <aside class="toc sidebar" data-title="Contents" data-levels="2"> |
| <div class="toc-menu"></div> |
| </aside> |
| <article class="doc"> |
| <h1 class="page">Introduction to Eclipse Che</h1> |
| <div id="preamble"> |
| <div class="sectionbody"> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>A centralized developer environment running on Kubernetes or OpenShift.</p> |
| </li> |
| <li> |
| <p>A multi-container workspace for each developer with the ability to replicate with a single click using Eclipse Che factories.</p> |
| </li> |
| <li> |
| <p>Pre-built stacks with the ability to create custom stacks for any language or runtime.</p> |
| </li> |
| <li> |
| <p>An enterprise integration using Keycloak for Active Directory (AD) database and Lightweight Directory Access Protocol (LDAP) related actions.</p> |
| </li> |
| <li> |
| <p>Browser-based IDEs; integration with Che-Theia or any other web IDE, such as Jupyter.</p> |
| </li> |
| <li> |
| <p>Support of tools protocols, such as the Language Server Protocol or Debug Adapter Protocol.</p> |
| </li> |
| <li> |
| <p>A plug-in mechanism compatible with Visual Studio Code extensions.</p> |
| </li> |
| <li> |
| <p>A software development kit (SDK) for creating custom cloud developer platforms.</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="getting-started-with-che_che"><a class="anchor" href="#getting-started-with-che_che"></a>Getting started with Che</h2> |
| <div class="sectionbody"> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><a href="#what-is-che_che">What is Eclipse Che</a></p> |
| </li> |
| <li> |
| <p><a href="../che-architecture/" class="page">Che architecture overview</a></p> |
| </li> |
| <li> |
| <p><a href="../../hosted-che/hosted-che/" class="page">Eclipse Che hosted by Red Hat</a></p> |
| </li> |
| <li> |
| <p><a href="../../installation-guide/installing-che-locally/" class="page">Installing Che locally</a></p> |
| </li> |
| <li> |
| <p><a href="../../installation-guide/supported-platforms/" class="page">Supported platforms</a></p> |
| </li> |
| <li> |
| <p><a href="../../administration-guide/calculating-che-resource-requirements/" class="page">Calculating Che resource requirements</a></p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_joining_the_community"><a class="anchor" href="#_joining_the_community"></a>Joining the community</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Interested in joining the community? Join us on the following channels:</p> |
| </div> |
| <div class="dlist"> |
| <dl> |
| <dt class="hdlist1">Public chat</dt> |
| <dd> |
| <p>Join the public <a href="https://mattermost.eclipse.org/eclipse/channels/eclipse-che">Eclipse Che Mattermost</a> channel to chat with the developers.</p> |
| </dd> |
| <dt class="hdlist1">GitHub project repositories</dt> |
| <dd> |
| <p>Report bugs, request features, and contribute in the main <a href="https://github.com/eclipse/che">Eclipse Che repository</a>.</p> |
| <div class="paragraph"> |
| <p>Improve documentation in the <a href="https://github.com/eclipse/che-docs">Eclipse Che docs repository</a>.</p> |
| </div> |
| </dd> |
| <dt class="hdlist1">Support</dt> |
| <dd> |
| <p>Visit StackOverflow to help other users of Eclipse Che: <a href="https://stackoverflow.com/questions/tagged/eclipse-che">Eclipse Che on StackOverflow</a>.</p> |
| </dd> |
| <dt class="hdlist1">Community blog</dt> |
| <dd> |
| <p>Learn about the latest of Eclipse Che and submit your blog posts to the <a href="https://che.eclipse.org">Eclipse Che blog</a>.</p> |
| </dd> |
| <dt class="hdlist1">Weekly meetings</dt> |
| <dd> |
| <p>Join us in the <a href="https://github.com/eclipse/che/wiki/Che-Dev-Meetings">Che community meeting</a> every Monday.</p> |
| </dd> |
| <dt class="hdlist1">Roadmap</dt> |
| <dd> |
| <p>See the development <a href="https://github.com/eclipse/che/wiki/Roadmap">roadmap</a> on the wiki.</p> |
| </dd> |
| </dl> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="what-is-che_che"><a class="anchor" href="#what-is-che_che"></a>What is Eclipse Che</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Eclipse Che is a Kubernetes-native IDE and developer collaboration platform.</p> |
| </div> |
| <div class="paragraph"> |
| <p>As an open-source project, the core goals of Eclipse Che are to:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><strong>Accelerate project and developer onboarding:</strong> As a zero-install development environment that runs in your browser, Eclipse Che makes it easy for anyone to join your team and contribute to a project.</p> |
| </li> |
| <li> |
| <p><strong>Remove inconsistency between developer environments:</strong> No more: “But it works on my machine.” Your code works exactly the same way in everyone’s environment.</p> |
| </li> |
| <li> |
| <p><strong>Provide built-in security and enterprise readiness:</strong> As Eclipse Che becomes a viable replacement for VDI solutions, it must be secure and it must support enterprise requirements, such as role-based access control and the ability to remove all source code from developer machines.</p> |
| </li> |
| </ul> |
| </div> |
| <div class="paragraph"> |
| <p>To achieve those core goals, Eclipse Che provides:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><strong>Workspaces:</strong> Container-based developer workspaces providing all the tools and dependencies needed to code, build, test, run, and debug applications.</p> |
| </li> |
| <li> |
| <p><strong>Browser-based IDEs:</strong> Bundled browser-based IDEs with language tools, debuggers, terminal, VCS integration, and much more.</p> |
| </li> |
| <li> |
| <p><strong>Extensible platform:</strong> Bring your own IDE. Define, configure, and extend the tools that you need for your application by using plug-ins, which are compatible with Visual Studio Code extensions.</p> |
| </li> |
| <li> |
| <p><strong>Enterprise Integration:</strong> Multi-user capabilities, including Keycloak for authentication and integration with LDAP or AD.</p> |
| </li> |
| </ul> |
| </div> |
| <div class="sect2"> |
| <h3 id="_workspace_model"><a class="anchor" href="#_workspace_model"></a>Workspace model</h3> |
| <div class="paragraph"> |
| <p>Che defines the workspace to be the project code files and all the dependencies necessary to edit, build, run, and debug them. Che treats the IDE and the development runtime as dependencies of the workspace. These items are embedded and always included with the workspace. This differentiates Che from classical workspace definitions, which may include the project code, but require the developer to bind their IDE to their workstation and use it to provide a runtime locally.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Workspaces are isolated from one another and are responsible for managing the lifecycle of their components.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Developers using Eclipse Che use their containers directly in their developer workspaces. <strong>Che workspaces are Kubernetes or OpenShift Pods, which allow to replicate the application runtimes (and its microservices) used in production</strong> and provide a “developer mode” layer on top of those, adding intelligent code completion and IDE tools.</p> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_browser_based_ides"><a class="anchor" href="#_browser_based_ides"></a>Browser-based IDEs</h3> |
| <div class="paragraph"> |
| <p>Eclipse Che provides browser-based IDEs for its workspaces. The default IDE is built on <a href="https://github.com/theia-ide/theia">Theia</a>, and it has the following capabilities:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><strong>Monaco-based editor:</strong> A fast and responsive editor, CodeLens</p> |
| </li> |
| <li> |
| <p><strong>Language Server Protocol:</strong> Language tools</p> |
| </li> |
| <li> |
| <p><strong>Debug Adapter Protocol:</strong> Debugger tools</p> |
| </li> |
| <li> |
| <p><strong>Command palette:</strong> Do everything from your keyboard</p> |
| </li> |
| <li> |
| <p><strong>Task support:</strong> Tasks from Visual Studio Code are extended and support Che commands</p> |
| </li> |
| <li> |
| <p><strong>Embedded preview:</strong> Preview your application directly from the IDE, including Markdown preview</p> |
| </li> |
| <li> |
| <p><strong>Customizable layout:</strong> Adapt the layout using drag-and-drop</p> |
| </li> |
| <li> |
| <p><strong>And more:</strong> Outline view, search, Git</p> |
| </li> |
| </ul> |
| </div> |
| <div class="sect3"> |
| <h4 id="_different_ides_for_different_use_cases"><a class="anchor" href="#_different_ides_for_different_use_cases"></a>Different IDEs for different use cases</h4> |
| <div class="paragraph"> |
| <p>In Eclipse Che, the IDE is completely decoupled, so that it is possible to plug a different IDE into Che workspaces:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>It can be based on Eclipse Theia (as it is a framework to build a web IDE), such as Sirius:</p> |
| <div class="videoblock"> |
| <div class="content"> |
| <iframe src="https://www.youtube.com/embed/B6aCqywKpyY?rel=0" frameborder="0" allowfullscreen></iframe> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>It can be a completely different solution, such as Jupyter or Eclipse Dirigible:</p> |
| <div class="videoblock"> |
| <div class="content"> |
| <iframe src="https://www.youtube.com/embed/VooNzKxRFgw?rel=0" frameborder="0" allowfullscreen></iframe> |
| </div> |
| </div> |
| </li> |
| </ul> |
| </div> |
| <div class="paragraph"> |
| <p>For situations in which the default IDE does not cover the use cases of the users or to use a dedicated tool rather than an IDE.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_extensible_platform"><a class="anchor" href="#_extensible_platform"></a>Extensible platform</h3> |
| <div class="paragraph"> |
| <p>Eclipse Che is a great platform to build cloud-native tools, and it provides a strong extensibility model with an enjoyable developer experience for contributors.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Eclipse Che is extensible in different ways:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><strong>Plug-ins</strong> to add capabilities to the IDE. Che-Theia plug-ins rely on APIs compatible with Visual Studio Code. Plug-ins are isolated and provide their own dependencies packaged in containers.</p> |
| </li> |
| <li> |
| <p><strong>Stacks</strong> to create pre-configured Che workspaces with a dedicated set of tools.</p> |
| </li> |
| <li> |
| <p><strong>Alternative IDEs</strong> to provide specialized tools within Eclipse Che. Build your own, based on Eclipse Theia, or pick existing ones such as Jupyter.</p> |
| </li> |
| <li> |
| <p><strong>Marketplace (soon)</strong> to easily distribute tools and custom IDEs, which can be tried online, to users and communities.</p> |
| </li> |
| </ul> |
| </div> |
| <div class="paragraph"> |
| <p>Eclipse Che uses Che-Theia as its default browser-based IDE. Che-Theia provides a framework to build web IDEs. It is built in TypeScript and gives contributors a programming model that is flexible, relies on state-of-the-art tools protocols, and makes it faster to build new tools.</p> |
| </div> |
| <div class="paragraph"> |
| <p>In Eclipse Che, the dependencies needed for the tools running in the user’s workspace are available when needed. This means that a Che-Theia plug-in provides its dependencies, its back-end services (which could be running in a sidecar container connected to the user’s workspace), and the IDE UI extension. Che packages all these elements together, so that the user does not have to configure different tools together.</p> |
| </div> |
| <div class="sect3"> |
| <h4 id="_visual_studio_code_extension_compatibility"><a class="anchor" href="#_visual_studio_code_extension_compatibility"></a>Visual Studio Code extension compatibility</h4> |
| <div class="paragraph"> |
| <p>Eclipse Che rationalizes the effort for a contributor who wants to build a plug-in and distribute it to different developer communities and tools. For that purpose, Eclipse Che features a plug-in API compatible with extension points from Visual Studio Code. As a result, it is easy to bring an existing plug-in from Visual Studio Code into Eclipse Che. The main difference is in the way the plug-ins are packaged. On Eclipse Che, plug-ins are delivered with their own dependencies in their own container.</p> |
| </div> |
| <div class="videoblock"> |
| <div class="content"> |
| <iframe src="https://www.youtube.com/embed/HbTKDlOL1eo?rel=0" frameborder="0" allowfullscreen></iframe> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_enterprise_integration"><a class="anchor" href="#_enterprise_integration"></a>Enterprise integration</h3> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>Eclipse Che includes <a href="https://www.keycloak.org/">Keycloak</a> to handle authentication and security. It allows integration with any single sign-on (SSO), and with Active Directory or LDAP.</p> |
| </li> |
| <li> |
| <p>Every Eclipse Che user gets a centralized developer workspace that can be easily defined, administered, and managed.</p> |
| </li> |
| <li> |
| <p>As a Kubernetes-native application, Eclipse Che provides state-of-the-art monitoring and tracing capabilities, integrating with <a href="https://prometheus.io/">Prometheus</a> and <a href="https://grafana.com/">Grafana</a>.</p> |
| </li> |
| </ul> |
| </div> |
| <div class="ulist"> |
| <div class="title">Additional resources</div> |
| <ul> |
| <li> |
| <p><a href="../../administration-guide/che-architecture-overview/" class="page">Che architecture overview</a></p> |
| </li> |
| <li> |
| <p><a href="../../administration-guide/che-workspace-controller/" class="page">Understanding Che workspace controller</a></p> |
| </li> |
| <li> |
| <p><a href="../../administration-guide/che-workspaces-architecture/" class="page">Understanding Che workspaces architecture</a></p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| </div> |
| </article> |
| </div> |
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