feat(coder/templates): add image variable to docker and kubernetes templates#943
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…27018) Makes it easier to pick the right workspace image, both in the template builder and in the docs. - Template builder: the Docker and Kubernetes bases now expose a `container_image` variable in the wizard (freeform text, defaults to `codercom/example-base:ubuntu`), and their prerequisites explain why image choice matters, with tradeoffs between `codercom/example-base:ubuntu` (minimal) and `codercom/example-universal:ubuntu` (catch-all), plus pointers to [coder/images](https://github.com/coder/images) and the image management docs. - Docs: reworked [image management](https://coder.com/docs/@ben%2Fdevrel-201-image-guidance-prereqs/admin/templates/managing-templates/image-management) into a clearer maturity ladder (minimal → golden → project-specific → developer customization), with pullable image references in every example, `codercom/oss-dogfood` as a project-specific example, and Dev Containers + [mise](https://mise.jdx.dev/) as ways to customize without new images. Companion PR for the starter templates: coder/registry#943 Part of DEVREL-201. 🤖 Generated with Coder Agents using Claude, on behalf of @bpmct (wizard variable by @jeremyruppel in #27024) --------- Co-authored-by: Jeremy Ruppel <jeremyruppel@users.noreply.github.com>
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Adds a plain-text
imagevariable to the Docker and Kubernetes templates so admins can pick the workspace image without editing Terraform. Both default tocodercom/example-base:ubuntu.Also adds a "Workspace image" section to each template's prerequisites explaining why image choice matters, with tradeoffs between
example-base(minimal) andexample-universal(catch-all), plus pointers to coder/images and the image management docs.Companion to coder/coder#27018, which does the same for the template builder bases and expands the image management docs.
Part of DEVREL-201.
🤖 Generated with Coder Agents using Claude, on behalf of @bpmct