docker-publish.yml

name: Build and Publish Docker Images

on:
  push:
    branches:
      - main
    tags:
      - 'v*'
  pull_request:
    branches:
      - main
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_PREFIX: graphdone
  IMAGE_OWNER: graphdone

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    strategy:
      matrix:
        include:
          - image: web
            context: .
            dockerfile: packages/web/Dockerfile
          - image: api
            context: .
            dockerfile: packages/server/Dockerfile
          - image: neo4j
            context: .
            dockerfile: deployment/neo4j.Dockerfile

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_OWNER }}/${{ env.IMAGE_PREFIX }}-${{ matrix.image }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=raw,value=latest,enable={{is_default_branch}}
            type=sha,prefix=sha-

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: ${{ matrix.context }}
          file: ${{ matrix.dockerfile }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            VITE_GRAPHQL_URL=https://localhost:4128/graphql
            VITE_GRAPHQL_WS_URL=wss://localhost:4128/graphql

  build-stack:
    needs: build-and-push
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Determine tag
        id: tag
        run: |
          # Must match a tag the build-and-push job actually pushed (see the
          # docker/metadata-action tags above), or imagetools can't find the
          # per-image manifests. On PRs metadata pushes `pr-<number>`; on main
          # it pushes `latest`. The old `${GITHUB_SHA::8}` fallback was never a
          # pushed tag, so build-stack failed on every PR.
          if [[ "${{ github.event_name }}" == "pull_request" ]]; then
            echo "tag=pr-${{ github.event.number }}" >> $GITHUB_OUTPUT
          elif [[ "${{ github.ref }}" == "refs/heads/main" ]]; then
            echo "tag=latest" >> $GITHUB_OUTPUT
          elif [[ "${{ github.ref }}" == refs/heads/* ]]; then
            echo "tag=${GITHUB_REF#refs/heads/}" | sed 's/\//-/g' >> $GITHUB_OUTPUT
          else
            echo "tag=sha-${GITHUB_SHA::7}" >> $GITHUB_OUTPUT
          fi

      - name: Create and push manifest for stack
        run: |
          # Enable experimental features for manifest
          export DOCKER_CLI_EXPERIMENTAL=enabled
          
          # Create multi-image manifest for the stack with appropriate tag
          docker buildx imagetools create \
            --tag ${{ env.REGISTRY }}/${{ env.IMAGE_OWNER }}/${{ env.IMAGE_PREFIX }}-stack:${{ steps.tag.outputs.tag }} \
            ${{ env.REGISTRY }}/${{ env.IMAGE_OWNER }}/${{ env.IMAGE_PREFIX }}-web:${{ steps.tag.outputs.tag }} \
            ${{ env.REGISTRY }}/${{ env.IMAGE_OWNER }}/${{ env.IMAGE_PREFIX }}-api:${{ steps.tag.outputs.tag }} \
            ${{ env.REGISTRY }}/${{ env.IMAGE_OWNER }}/${{ env.IMAGE_PREFIX }}-neo4j:${{ steps.tag.outputs.tag }}