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buzz/.github
Luke Tornquist e8a4bc1591 ci(docker): skip relay image publishes for main pushes outside the build context (#9310)
## Summary

Every push to `main` published a new relay and push gateway image, even
when it only changed `desktop/`, `mobile/`, `docs/` or other paths
`.dockerignore` keeps out of the Docker build context. Deployments that
track the sortable `main-<commit UTC>-<7>` tag then rolled their relays
onto an image built from identical inputs.

The `push` trigger now skips the directories excluded from the build
context (`desktop/`, `mobile/`, `docs/`, `bin/`, `sidecars/`,
`.github/`) and re-includes `.github/workflows/docker.yml`, which
defines the build. Tag pushes (`relay-v*`) still always publish, because
GitHub does not evaluate path filters for tag pushes. Pull request
builds keep their existing allowlist.

## Guard

`scripts/test-relay-image-eligibility-workflow.sh`, which `ci.yml` runs,
now requires the push filter to be exactly, in order:
1. `"**"`,
2. only `"!<dir>/**"` exclusions, each also listed in `.dockerignore`,
3. the `.github/workflows/docker.yml` re-inclusion.

Comment and blank lines inside the list are skipped rather than ending
it. So nobody can add a file exclusion, exclude a directory Docker sees,
or reorder the re-inclusion in a way that hides a change to the image.

## Testing

- `scripts/test-relay-image-eligibility-workflow.sh` passes.
- The guard fails with a specific message for each of these:
`"!crates/**"` added, `"!Cargo.lock"` added, single-quoted
`'!Cargo.lock'`, the re-inclusion moved before `"!.github/**"`, `"**"`
removed, and `"!crates/**"` appended after a comment or a blank line.
- `actionlint` passes on `docker.yml`.

## Simpler

The image is published only when its inputs can change. This removes
no-op staging rollouts, plus the cancelled or queued Docker runs that
each merge to main caused. No new concepts: the filter reuses
`.dockerignore` as the only definition of what the image sees.

Identified follow-up: root-level Markdown (for example `README.md`) is
in the build context, so root-docs-only merges still publish. Skipping
them would need a `.dockerignore` entry and a file-level filter rule,
which the guard currently rejects on purpose.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

---------

Signed-off-by: Luke Tornquist <tornquist@squareup.com>
Co-authored-by: Elrond <28d6302a099e5225b02c4155ac4236e4912603df2ab08dbfc2f4fef08ce598c8@buzz.block.builderlab.xyz>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-11-09 19:41:13 -05:00
..
2026-09-18 19:17:10 +00:00