build.yml

name: Build Server
on: [push]

jobs:
  build:
    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgres:12-alpine
        ports:
          - 5432:5432
        env:
          POSTGRES_USER: testuser
          POSTGRES_DB: testdb
          POSTGRES_HOST_AUTH_METHOD: trust


    steps:
      - uses: actions/checkout@50fbc622fc4ef5163becd7fab6573eac35f8462e  # v1

      - uses: actions/cache@a505c2e7a6652a1d5727baf1c2dc5a5b2d1ecc60  # v1
        id: cache
        with:
          path: cache
          key: ${{ runner.os }}-docker-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-docker-

      - name: Load Cache
        run: |
          if [ -f "cache/image.tar" ]; then
            docker load -i cache/image.tar
            rm -rf cache/
          fi

      - name: Build Image
        env:
          IMAGE_TAG: ${{ github.sha }}
        run: |
          docker build --cache-from website -t website -t $IMAGE_TAG .
          mkdir -p cache
          docker save website > cache/image.tar

      - name: Run Linting
        env:
          IMAGE_TAG: ${{ github.sha }}
        run: |
          docker run $IMAGE_TAG black --check .
          docker run $IMAGE_TAG flake8

      - name: Run Tests
        env:
          IMAGE_TAG: ${{ github.sha }}
        run: |
          docker run --net host --env DJANGO_SETTINGS_MODULE=config.settings.testing --env DATABASE_URL=postgres://testuser@localhost/testdb -v $PWD/test-reports:/app/test-reports $IMAGE_TAG pytest apps