build and push Docker Desktop module image on release#13726
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Pull request overview
This PR adds a release-time build/publish path for a Docker Desktop “module” image that packages the Compose CLI plugin binary plus metadata, so Docker Desktop’s update system can fetch the correct plugin per platform from Docker Hub.
Changes:
- Added new Dockerfile stages to assemble a
moduleimage containing/cli-plugins/compose/$TARGETOS/*, module metadata, and LICENSE. - Added a new
docker-bake.hcltarget to build/push the multi-platform module image (image-module-cross). - Updated the merge workflow to publish
docker/compose-desktop-moduleon version tag pushes.
Reviewed changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| Dockerfile | Adds module-releaser and module stages to package the plugin + metadata into a scratch image. |
| docker-bake.hcl | Introduces image-module-cross bake target pointing at the new module stage with selected platforms. |
| desktop-module/module-metadata.json | Adds module metadata consumed by Docker Desktop’s update/module system. |
| .github/workflows/merge.yml | Adds tag-only jobs to build and push docker/compose-desktop-module using the shared bake workflow. |
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crazy-max
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Apr 10, 2026
Add workflow to build and push docker/compose-desktop-module image to Docker Hub on version tag push, used by Docker Desktop's update system to deliver the Compose CLI plugin. Signed-off-by: Guillaume Lours <glours@users.noreply.github.com>
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What I did
Add workflow to build and push docker/compose-desktop-module image to Docker Hub on version tag push, used by Docker Desktop's update system to deliver the Compose CLI plugin.
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