Fix Docker publish job handoff (cache → artifacts) - #57
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The Publish workflow moved build output between jobs through actions/cache, but the trigger is pull_request:[closed], and GitHub makes the Actions cache read-only on pull_request-triggered runs (cache write denied: token has no writable scopes). The cache saves silently stopped persisting, so publish-docker restored dotnet-cache with fail-on-cache-miss and hard-failed, leaving Source/AuthProxy/out empty for the Docker build. Replace the frontend->dotnet-publish->docker cache handoff with upload-artifact/download-artifact, which is writable on pull_request runs. Keeps the pull_request trigger so cratis/release-action still reads the PR's semver label. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Summary
Internal CI fix — the
Publishworkflow's Docker step has been failing on every merge since the trigger was switched frompushtopull_request:[closed].The workflow passed build output between jobs through
actions/cache, but GitHub makes the Actions cache read-only onpull_request-triggered runs (cache write denied: token has no writable scopes). The cache saves stopped persisting, sopublish-dockerrestored the output cache withfail-on-cache-miss: true, hard-failed, and the Docker build could not findSource/AuthProxy/out.release,dotnet-publishandpublish-nugetall succeeded — only the Docker image was never pushed (affecting v2.6.0 and v2.6.1).This replaces the cache-based cross-job handoff with
upload-artifact/download-artifact, which is writable onpull_requestruns, and keeps thepull_requesttrigger socratis/release-actionstill reads the PR's semver label. No product code changes.