name: Publish Containers

on:
  push:
    tags:
      - "v*"

jobs:
  verify-versions:
    # Gate the release: every version source must match the v* tag. A forgotten
    # bump in Chart.yaml, pyproject.toml, or package.json fails here and skips
    # all image builds. See scripts/verify_versions.sh.
    uses: ./.github/workflows/verify-versions.yml

  backend-container:
    needs: verify-versions
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      attestations: write
      id-token: write
    env:
      REGISTRY: ghcr.io
      IMAGE_NAME: ${{ github.repository }}-backend
    steps:
      - name: Checkout repository
        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 #v6.0.3
      - name: Log in to the Container registry
        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 #v3.4.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 #v5.7.0
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=tag
            type=ref,event=branch
            type=sha
            type=raw,value=latest,enable={{is_default_branch}}
      - name: Build and push Docker image
        id: push
        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 #v6.18.0
        with:
          context: .
          file: backend/Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          # Bake the `postgres` extra into the published image so multi-replica
          # deployments (K8s/Helm) can use shared Postgres persistence instead of
          # file-based SQLite. sqlite/redis-only single-replica setups still work;
          # this only adds the Postgres driver. See backend/Dockerfile `UV_EXTRAS`.
          build-args: |
            UV_EXTRAS=postgres

      - name: Generate artifact attestation
        uses: actions/attest-build-provenance@e8998f949152b193b063cb0ec769d69d929409be #v2.4.0
        with:
          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
          subject-digest: ${{ steps.push.outputs.digest }}
          push-to-registry: true

  frontend-container:
    needs: verify-versions
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      attestations: write
      id-token: write
    env:
      REGISTRY: ghcr.io
      IMAGE_NAME: ${{ github.repository }}-frontend

    steps:
      - name: Checkout repository
        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 #v6.0.3
      - name: Log in to the Container registry
        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 #v3.4.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 #v5.7.0
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=tag
            type=ref,event=branch
            type=sha
            type=raw,value=latest,enable={{is_default_branch}}
      - name: Build and push Docker image
        id: push
        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 #v6.18.0
        with:
          context: .
          file: frontend/Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      - name: Generate artifact attestation
        uses: actions/attest-build-provenance@e8998f949152b193b063cb0ec769d69d929409be #v2.4.0
        with:
          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
          subject-digest: ${{ steps.push.outputs.digest }}
          push-to-registry: true

  provisioner-container:
    needs: verify-versions
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      attestations: write
      id-token: write
    env:
      REGISTRY: ghcr.io
      IMAGE_NAME: ${{ github.repository }}-provisioner

    steps:
      - name: Checkout repository
        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 #v6.0.3
      - name: Log in to the Container registry
        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 #v3.4.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 #v5.7.0
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=tag
            type=ref,event=branch
            type=sha
            type=raw,value=latest,enable={{is_default_branch}}
      - name: Build and push Docker image
        id: push
        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 #v6.18.0
        with:
          context: docker/provisioner
          file: docker/provisioner/Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      - name: Generate artifact attestation
        uses: actions/attest-build-provenance@e8998f949152b193b063cb0ec769d69d929409be #v2.4.0
        with:
          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
          subject-digest: ${{ steps.push.outputs.digest }}
          push-to-registry: true