build-deploy.yml

name: Build and deploy

on: [ push, pull_request ]

jobs:
  build:
    environment:  # specify github environment
      name: testing
    env:
      HOST: ${{ secrets.HOST }}
      PORT: ${{ secrets.PORT }}
      DATABASE: ${{ secrets.DATABASE }}
      DB_NAME: ${{ secrets.DB_NAME }}
      DB_USER: ${{ secrets.DB_USER }}
      DB_PASSWORD: ${{ secrets.DB_PASSWORD }}
      JWT_ENCODE_KEY: ${{ secrets.JWT_ENCODE_KEY }}
      JWT_ALGORITHM: ${{ secrets.JWT_ALGORITHM }}
    services:
      postgres:   # database setup
        image: postgres:latest
        env:
          POSTGRES_PASSWORD: ${{ secrets.DB_PASSWORD }}
          POSTGRES_DB: ${{ secrets.DB_NAME }}_test
        ports:
          - 5432:5432
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
    runs-on: ubuntu-latest
    steps:
      - name: pull git repository
        uses: actions/checkout@v3

      - name: install python
        uses: actions/setup-python@v3
        with:
          python-version: "3.10"

      - name: upgrade pip
        run: python -m pip install --upgrade pip

      - name: install requirements
        run: pip install -r requirements.txt

      # running test on the application
      - name: run tests
        run: pytest tests/

      # dockerize application
      - name: Login to Docker Hub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1

      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          context: ./
          file: ./Dockerfile
          builder: ${{ steps.buildx.outputs.name }}
          push: true
          tags: ${{ secrets.DOCKER_HUB_USERNAME }}/social_media_fastapi:latest
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache

      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}

  deploy:   # deploy on heroku
    runs-on: ubuntu-latest
    needs:
      - build
    environment: production
    steps:
      - name: pull git repository
        uses: actions/checkout@v3
      - name: Heroku deployment
        uses: akhileshns/heroku-deploy@v3.12.12
        with:
          heroku_api_key: ${{ secrets.HEROKU_API_KEY }}
          heroku_app_name: ${{ secrets.HEROKU_APP_NAME }}
          heroku_email: ${{ secrets.HEROKU_EMAIL }}