ci: GitHub Actions workflow for Docker image build and push#6
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jtalborough wants to merge 7 commits intoRelayPlane:mainfrom
Open
ci: GitHub Actions workflow for Docker image build and push#6jtalborough wants to merge 7 commits intoRelayPlane:mainfrom
jtalborough wants to merge 7 commits intoRelayPlane:mainfrom
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Allow port and host to be configured via environment variables, with CLI flags still taking precedence. This enables container deployments to set defaults without modifying the command line.
Multi-stage build: builder stage compiles TypeScript, runtime stage has only production dependencies. Non-root user (UID 1000) for K8s securityContext compatibility. Default port 4801 and host 0.0.0.0 set via env vars (requires the RELAYPLANE_PROXY_PORT/HOST support from the cli-env-vars PR).
Builds and pushes to ghcr.io/jtalborough/relayplane-proxy on pushes to main and version tags. PR builds validate the Dockerfile without pushing. Uses GHA build cache for fast rebuilds.
node:18-alpine already has a node user/group at UID/GID 1000. Creating a new group with GID 1000 fails.
Fall back to npm install when no lockfile is present. Uses npm ci (faster, deterministic) when the lockfile exists, npm install otherwise.
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Summary
ghcr.io)v*), and PRs (build-only, no push)Changes
.github/workflows/docker.yml(new): Multi-platform Docker build with GHA cacheWorkflow details
main, version tagsv*.*.*, PRsghcr.io/${{ github.repository_owner }}/relayplane-proxyDependencies
Test plan