release.yml

name: Release

on:
  push:
    tags:
      - 'v*'

jobs:
  release:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write

    steps:
    - name: Checkout code
      uses: actions/checkout@v5
      with:
        fetch-depth: 0

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

    - name: Build Docker image for release
      uses: docker/build-push-action@v6
      with:
        context: .
        load: true
        tags: python-template:release
        cache-from: type=gha

    - name: Run full test suite
      run: |
        docker run --rm python-template:release uv run make check
        docker run --rm python-template:release uv run make test

    - name: Generate changelog
      id: changelog
      run: |
        TAG_NAME=${GITHUB_REF#refs/tags/}
        echo "tag_name=$TAG_NAME" >> $GITHUB_OUTPUT
        
        if git describe --tags --abbrev=0 HEAD^ >/dev/null 2>&1; then
          PREVIOUS_TAG=$(git describe --tags --abbrev=0 HEAD^)
          echo "## Changes since $PREVIOUS_TAG" > CHANGELOG.md
          git log --pretty=format:"- %s (%h)" $PREVIOUS_TAG..HEAD >> CHANGELOG.md
        else
          echo "## Initial Release" > CHANGELOG.md
          git log --pretty=format:"- %s (%h)" >> CHANGELOG.md
        fi
        
        {
          echo 'changelog<<EOF'
          cat CHANGELOG.md
          echo EOF
        } >> $GITHUB_OUTPUT

    - name: Create GitHub Release
      uses: actions/create-release@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        tag_name: ${{ steps.changelog.outputs.tag_name }}
        release_name: Release ${{ steps.changelog.outputs.tag_name }}
        body: ${{ steps.changelog.outputs.changelog }}
        draft: false
        prerelease: ${{ contains(steps.changelog.outputs.tag_name, '-') }}

    - name: Build and export release artifacts
      run: |
        mkdir -p dist
        
        docker run --rm -v $(pwd)/dist:/dist python-template:release sh -c "
          uv export --no-hashes --no-dev > /dist/requirements.txt
          uv export --no-hashes > /dist/requirements-dev.txt
        "
        
        docker run --rm -v $(pwd)/dist:/dist python-template:release sh -c "
          uv build --wheel --sdist --out-dir /dist
        "

    - name: Upload release artifacts
      uses: actions/upload-artifact@v4
      with:
        name: release-artifacts-${{ steps.changelog.outputs.tag_name }}
        path: dist/

  notify:
    runs-on: ubuntu-latest
    needs: release
    if: always()
    
    steps:
    - name: Notify on success
      if: needs.release.result == 'success'
      run: |
        echo "✅ Release ${{ needs.release.outputs.tag_name }} created successfully!"
        
    - name: Notify on failure
      if: needs.release.result == 'failure'
      run: |
        echo "❌ Release creation failed!"
        exit 1