docker-release.yml

name: Build and Push Docker Images

on:
  release:
    types: [published]

env:
  REGISTRY: docker.io

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

    strategy:
      matrix:
        include:
          - image: allenhutchison/podcast-rag
            dockerfile: Dockerfile
            description: "Encoding backend"
          - image: allenhutchison/podcast-rag-web
            dockerfile: Dockerfile.web
            description: "Web service"

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

      - name: Free up disk space
        run: |
          sudo rm -rf /usr/share/dotnet
          sudo rm -rf /usr/local/lib/android
          sudo rm -rf /opt/ghc
          sudo docker system prune -af

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

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ matrix.image }}
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push Docker image (${{ matrix.description }})
        id: push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ${{ matrix.dockerfile }}
          platforms: linux/amd64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha,scope=${{ matrix.image }}
          cache-to: type=gha,mode=max,scope=${{ matrix.image }}