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docs: restructure dev container documentation (#21157)
Dev container admin docs were scattered across two locations: the Docker-based
integration under extending-templates/ and Envbuilder under managing-templates/.
There was no landing page explaining that two approaches exist or helping admins
choose between them.
This moves everything under admin/integrations/devcontainers/ with a decision
guide at the top. Dev containers are an integration with the dev container
specification, so integrations/ is a natural fit alongside JFrog, Vault, etc.
Stub pages remain at the original locations for discoverability.
New structure:
admin/integrations/devcontainers/
├── index.md # Landing page + decision guide
├── integration.md # Docker-based dev containers
└── envbuilder/
├── index.md
├── add-envbuilder.md
├── envbuilder-security-caching.md
└── envbuilder-releases-known-issues.md
Refs #21080
This commit is contained in:
Mathias Fredriksson
@@ -0,0 +1,145 @@
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# Add an Envbuilder template
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A Coder administrator adds an Envbuilder-compatible template to Coder. This
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allows the template to prompt the developer for their dev container repository's
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URL as a [parameter](../../../templates/extending-templates/parameters.md) when they create
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their workspace. Envbuilder clones the repo and builds a container from the
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`devcontainer.json` specified in the repo.
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You can create template files through the Coder dashboard, CLI, or you can
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choose a template from the
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[Coder registry](https://registry.coder.com/templates):
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<div class="tabs">
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## Dashboard
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1. In the Coder dashboard, select **Templates** then **Create Template**.
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1. Use a
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[starter template](https://github.com/coder/coder/tree/main/examples/templates)
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or create a new template:
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- Starter template:
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1. Select **Choose a starter template**.
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1. Choose a template from the list or select **Devcontainer** from the
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sidebar to display only dev container-compatible templates.
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1. Select **Use template**, enter the details, then select **Create
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template**.
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- To create a new template, select **From scratch** and enter the templates
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details, then select **Create template**.
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1. Edit the template files to fit your deployment.
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## CLI
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1. Use the `template init` command to initialize your choice of image:
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```shell
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coder template init --id kubernetes-devcontainer
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```
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A list of available templates is shown in the
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[templates_init](../../../../reference/cli/templates.md) reference.
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1. `cd` into the directory and push the template to your Coder deployment:
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```shell
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cd kubernetes-devcontainer && coder templates push
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```
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You can also edit the files or make changes to the files before you push them
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to Coder.
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## Registry
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1. Go to the [Coder registry](https://registry.coder.com/templates) and select a
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dev container-compatible template.
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1. Copy the files to your local device, then edit them to fit your needs.
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1. Upload them to Coder through the CLI or dashboard:
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- CLI:
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```shell
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coder templates push <template-name> -d <path to folder containing main.tf>
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```
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- Dashboard:
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1. Create a `.zip` of the template files:
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- On Mac or Windows, highlight the files and then right click. A
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"compress" option is available through the right-click context menu.
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- To zip the files through the command line:
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```shell
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zip templates.zip Dockerfile main.tf
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```
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1. Select **Templates**.
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1. Select **Create Template**, then **Upload template**:
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1. Drag the `.zip` file into the **Upload template** section and fill out the
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details, then select **Create template**.
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</div>
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To set variables such as the namespace, go to the template in your Coder
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dashboard and select **Settings** from the **⋮** (vertical ellipsis) menu:
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<Image height="255px" src="../../../../images/templates/template-menu-settings.png" alt="Choose Settings from the template's menu" align="center" />
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## Envbuilder Terraform provider
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When using the
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[Envbuilder Terraform provider](https://registry.terraform.io/providers/coder/envbuilder/latest/docs),
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a previously built and cached image can be reused directly, allowing dev
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containers to start instantaneously.
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Developers can edit the `devcontainer.json` in their workspace to customize
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their development environments:
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```json
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# …
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{
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"features": {
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"ghcr.io/devcontainers/features/common-utils:2": {}
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}
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}
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# …
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```
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## Example templates
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| Template | Description |
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|---------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| [Docker dev containers](https://github.com/coder/coder/tree/main/examples/templates/docker-devcontainer) | Docker provisions a development container. |
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| [Kubernetes dev containers](https://github.com/coder/coder/tree/main/examples/templates/kubernetes-devcontainer) | Provisions a development container on the Kubernetes cluster. |
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| [Google Compute Engine dev container](https://github.com/coder/coder/tree/main/examples/templates/gcp-devcontainer) | Runs a development container inside a single GCP instance. It also mounts the Docker socket from the VM inside the container to enable Docker inside the workspace. |
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| [AWS EC2 dev container](https://github.com/coder/coder/tree/main/examples/templates/aws-devcontainer) | Runs a development container inside a single EC2 instance. It also mounts the Docker socket from the VM inside the container to enable Docker inside the workspace. |
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Your template can prompt the user for a repo URL with
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[parameters](../../../templates/extending-templates/parameters.md):
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## Dev container lifecycle scripts
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The `onCreateCommand`, `updateContentCommand`, `postCreateCommand`, and
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`postStartCommand` lifecycle scripts are run each time the container is started.
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This could be used, for example, to fetch or update project dependencies before
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a user begins using the workspace.
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Lifecycle scripts are managed by project developers.
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## Next steps
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- [Envbuilder security and caching](./envbuilder-security-caching.md)
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