name: Build & publish Docker image
on:
  workflow_run:
    workflows: ["Build & publish to pypi"]
    types:
      - completed
  workflow_dispatch:

jobs:
  docker:
    runs-on: ubuntu-latest
    if: ${{ github.event.workflow_run.conclusion == 'success' || github.event_name == 'workflow_dispatch' }}
    permissions:
      contents: read
      packages: write
    steps:
      - name: Free disk space
        uses: jlumbroso/free-disk-space@main
        with:
          tool-cache: false
          android: true
          dotnet: true
          haskell: true
          large-packages: true
          docker-images: true
          swap-storage: true

      - 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: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract version from pyproject.toml
        id: version
        run: |
          VERSION=$(grep -oP '^version = "\K[^"]+' pyproject.toml)
          echo "version=$VERSION" >> $GITHUB_OUTPUT

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: docker/Dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            ghcr.io/${{ github.repository }}:${{ steps.version.outputs.version }}
            ghcr.io/${{ github.repository }}:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max