feat(ci): add SHA tagging for automatic ECR cache invalidation#142
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jakebromberg merged 2 commits intomainfrom Jan 31, 2026
Merged
feat(ci): add SHA tagging for automatic ECR cache invalidation#142jakebromberg merged 2 commits intomainfrom
jakebromberg merged 2 commits intomainfrom
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Add SHA-based image tagging to automatically detect when ECR cached images are stale, preventing issues where CI uses outdated images that don't include recently merged code. Changes: - Add merge-base SHA detection in detect-changes job - Pull images try SHA-tagged version first, fall back to :latest - Push images to ECR with SHA tags when tests pass on main - Deploy workflow also pushes SHA tags alongside semver tags This ensures PRs always use images that contain all code from their merge-base with main, eliminating the need for manual cache invalidation via code comments.
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Summary
sha-{commit_sha}in addition to semver and:latesttagsHow it works
sha-{commit_sha}and:latesttagssha-{merge_base_sha}image first:latest(with a warning)Files changed
.github/workflows/test.yml- Add merge-base SHA detection, SHA-tagged pulls, ECR push on main.github/workflows/deploy-base.yml- Add SHA tag when pushing to ECRTest plan