main.yml

name: Continuous Integration and Delivery

on: [push]

env:
  WEB_IMAGE: ghcr.io/$(echo $GITHUB_ACTOR | tr '[A-Z]' '[a-z]')/web
  WORKER_IMAGE: ghcr.io/$(echo $GITHUB_ACTOR | tr '[A-Z]' '[a-z]')/worker

jobs:
  test:
    name: Test and check quality
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Build and run containers
        run: docker-compose up -d
      - name: Wait for database
        run: sleep 30
      - name: Apply database migrations
        run: docker-compose exec -T web alembic upgrade head
      - name: Check for pending database schema upgrade
        run: docker-compose exec -T web alembic check
      - name: Check code linting with ruff
        run: docker-compose exec -T -u root web ruff check .
      - name: Check code formatting with black
        run: docker-compose exec -T -u root web black --check .
      - name: Test code with pytest
        run: docker-compose exec -T -u root web pytest -n auto .
      - name: Cleanup
        run: docker-compose down -v

  build-and-deploy:
    name: Build Docker Images and Deploy to Heroku
    runs-on: ubuntu-latest
    needs: [test]
    strategy:
      matrix:
        include:
          - image_name: "WEB"
            docker_file: "Dockerfile.web"
            image_env: "WEB_IMAGE"
            registry_image_env: "HEROKU_REGISTRY_WEB_IMAGE"
          - image_name: "WORKER"
            docker_file: "Dockerfile.worker"
            image_env: "WORKER_IMAGE"
            registry_image_env: "HEROKU_REGISTRY_WORKER_IMAGE"
    env:
      HEROKU_APP_NAME: fastapi-tdd-docker-spyker77
      HEROKU_REGISTRY_WEB_IMAGE: registry.heroku.com/${HEROKU_APP_NAME}/web
      HEROKU_REGISTRY_WORKER_IMAGE: registry.heroku.com/${HEROKU_APP_NAME}/worker
    steps:
      - name: Delete the tools folder to free up space for CUDA
        run: rm -rf /opt/hostedtoolcache
      - name: Checkout
        uses: actions/checkout@v4
      - name: Log in to GitHub Packages
        run: echo ${GITHUB_TOKEN} | docker login ghcr.io -u ${GITHUB_ACTOR} --password-stdin
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Pull images
        run: |
          docker pull ${{ env[matrix.image_env] }}-builder:latest || true
          docker pull ${{ env[matrix.image_env] }}-cuda-devel:latest || true
          docker pull ${{ env[matrix.image_env] }}-final:latest || true
      - name: Build images
        run: |
          # Build Builder Stage
          docker build \
            --target builder \
            --cache-from ${{ env[matrix.image_env] }}-builder:latest \
            --tag ${{ env[matrix.image_env] }}-builder:latest \
            --file ./${{ matrix.docker_file }} \
            "."
          # Build CUDA-Devel Stage
          docker build \
            --target cuda_devel \
            --cache-from ${{ env[matrix.image_env] }}-cuda-devel:latest \
            --tag ${{ env[matrix.image_env] }}-cuda-devel:latest \
            --file ./${{ matrix.docker_file }} \
            "."
          # Build Final Stage
          docker build \
            --cache-from ${{ env[matrix.image_env] }}-final:latest \
            --tag ${{ env[matrix.image_env] }}-final:latest \
            --tag ${{ env[matrix.registry_image_env] }}:latest \
            --file ./${{ matrix.docker_file }} \
            "."
      - name: Push images to the packages
        run: |
          docker push ${{ env[matrix.image_env] }}-builder:latest
          docker push ${{ env[matrix.image_env] }}-cuda-devel:latest
          docker push ${{ env[matrix.image_env] }}-final:latest
      # 🚨 Disable continuous delivery to Heroku 🚨
      # - name: Log in to the Heroku Container Registry
      #   run: docker login -u _ -p ${HEROKU_AUTH_TOKEN} registry.heroku.com
      #   env:
      #     HEROKU_AUTH_TOKEN: ${{ secrets.HEROKU_AUTH_TOKEN }}
      # - name: Push images to the registry
      #   run: docker push ${{ env[matrix.registry_image_env] }}:latest
      # - name: Set environment variables
      #   run: |
      #     echo "HEROKU_REGISTRY_${{ matrix.image_name }}_IMAGE=${{ env[matrix.registry_image_env] }}" >> $GITHUB_ENV
      #     echo "HEROKU_AUTH_TOKEN=${{ secrets.HEROKU_AUTH_TOKEN }}" >> $GITHUB_ENV
      # - name: Release
      #   run: |
      #     chmod +x ./scripts/release.sh
      #     ./scripts/release.sh