appx-agent/.github/workflows/docker.yml at main · appx-org/appx-agent · GitHub

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#
# Publishes the agent-server container image to GHCR.
#
# Two tagging tracks, both from the same build:
#   - every push to main → `edge` + `sha-<short>`  (deploy target for the box,
#     always the tip of trunk, immutable per-commit tag for rollback)
#   - when packages/agent-server/package.json's version changes → the semver
#     tags `X.Y.Z`, `X.Y`, and `latest`. agent-server is a private package, so
#     changesets bumps its version but publishes no npm tarball and cuts no git
#     tag — the manifest is the release signal.
#
# The image is built from the MONOREPO ROOT context (the Dockerfile needs the
# root lockfile + the agent-protocol workspace); see the Dockerfile header.
#
name: docker

on:
  push:
    branches: [main]
    # A docs-only commit can't change the image, and rebuilding one would move
    # the `edge` tag for nothing. Use workflow_dispatch to force a rebuild.
    paths-ignore:
      - "**.md"
      - "docs/**"
      - ".changeset/**"
  workflow_dispatch:

concurrency:
  group: docker-${{ github.ref }}
  cancel-in-progress: true

jobs:
  publish:
    name: Build and push agent-server image
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - uses: actions/checkout@v4
        with:
          # Need the previous commit to diff the manifest version.
          fetch-depth: 2

      - name: Resolve version and whether it changed
        id: meta
        run: |
          version=$(node -p "require('./packages/agent-server/package.json').version")
          echo "version=$version" >> "$GITHUB_OUTPUT"

          # `git show` fails on the very first commit; treat that as "changed".
          previous=$(git show HEAD~1:packages/agent-server/package.json 2>/dev/null \
            | node -e "let s='';process.stdin.on('data',d=>s+=d).on('end',()=>{try{console.log(JSON.parse(s).version)}catch{console.log('')}})" \
            || echo "")
          if [ "$version" != "$previous" ]; then
            echo "released=true" >> "$GITHUB_OUTPUT"
            echo "agent-server version $previous -> $version: tagging semver + latest"
          else
            echo "released=false" >> "$GITHUB_OUTPUT"
            echo "agent-server version unchanged ($version): edge + sha tags only"
          fi

      - uses: docker/setup-buildx-action@v3

      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Compute image tags
        uses: docker/metadata-action@v5
        id: tags
        with:
          images: ghcr.io/${{ github.repository_owner }}/agent-server
          # `edge` + immutable sha always; semver + latest only on a version bump.
          tags: |
            type=raw,value=edge
            type=sha,prefix=sha-,format=short
            type=semver,pattern={{version}},value=${{ steps.meta.outputs.version }},enable=${{ steps.meta.outputs.released == 'true' }}
            type=semver,pattern={{major}}.{{minor}},value=${{ steps.meta.outputs.version }},enable=${{ steps.meta.outputs.released == 'true' }}
            type=raw,value=latest,enable=${{ steps.meta.outputs.released == 'true' }}

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: packages/agent-server/container/Dockerfile
          push: true
          tags: ${{ steps.tags.outputs.tags }}
          labels: ${{ steps.tags.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max