ci-backend.yaml

name: 'Backend CI/CD 🚀'
on:
  push:
    branches:
      - 'main'
    tags:
      - 'v*'
  pull_request:
    branches:
      - 'main'

jobs:
  build:
    name: 'Build 🏗'
    strategy:
      matrix:
        os: 
          - ubuntu-latest
        python-version:
          - "3.11"
    defaults:
      run:
        working-directory: backend/
    runs-on: ${{ matrix.os }}
    steps:
      - name: Check repository
        uses: actions/checkout@v4
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
          cache: 'pip'
      - name: Display Python version
        run: python -c "import sys; print(sys.version)"
      - name: Install dependencies
        run:  |
          python -m pip install --upgrade pip
          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
  
  code-quality:
    name: 'Code-Quality 💎'
    needs: build
    strategy:
      matrix:
        os:
          - ubuntu-latest
        python-version:
          - "3.11"
    defaults:
      run:
        working-directory: backend/
    runs-on: ${{ matrix.os }}

    steps:
      - name: Check repository
        uses: actions/checkout@v4
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
          cache: 'pip'
      - name: Display Python version
        run: python -c "import sys; print(sys.version)"
      - name: Install dev dependencies
        run:  |
          python -m pip install --upgrade pip
          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
      - name: Install Dependencies for Linting
        run: |
          pip install flake8
      - name: Lint with Flake8
        run: |
          # stop the build if there are Python syntax errors or undefined names
          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
          # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
          flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics

 
  test:
    name: 'Test 🔬'
    needs: build
    strategy:
      matrix:
        os: 
          - ubuntu-latest
        python-version:
          - "3.11"
    defaults:
      run:
        working-directory: backend/
    services:
      postgres:
        image: postgres:14.2-alpine
        env:
          POSTGRES_DB: ${{  secrets.POSTGRES_DB  }}
          POSTGRES_USER: ${{ secrets.POSTGRES_USERNAME }}
          POSTGRES_PASSWORD: ${{ secrets.POSTGRES_PASSWORD }}
        ports:
        - 5432:5432
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
    env:
      ENVIRONMENT: ${{ secrets.ENVIRONMENT }}
      DEBUG: ${{ secrets.DEBUG }}
      POSTGRES_DB: ${{ secrets.POSTGRES_DB }}
      POSTGRES_HOST: ${{ secrets.POSTGRES_HOST }}
      POSTGRES_PASSWORD: ${{ secrets.POSTGRES_PASSWORD }}
      POSTGRES_PORT: ${{ secrets.POSTGRES_PORT }}
      POSTGRES_SCHEMA: ${{ secrets.POSTGRES_SCHEMA }}
      POSTGRES_USERNAME: ${{ secrets.POSTGRES_USERNAME }}
      BACKEND_SERVER_HOST: ${{ secrets.BACKEND_SERVER_HOST }}
      BACKEND_SERVER_PORT: ${{ secrets.BACKEND_SERVER_PORT }}
      BACKEND_SERVER_WORKERS: ${{ secrets.BACKEND_SERVER_WORKERS }}
      DB_TIMEOUT: ${{ secrets.DB_TIMEOUT }}
      DB_POOL_SIZE: ${{ secrets.DB_POOL_SIZE }}
      DB_MAX_POOL_CON: ${{ secrets.DB_MAX_POOL_CON }}
      DB_POOL_OVERFLOW: ${{ secrets.DB_POOL_OVERFLOW }}
      IS_DB_ECHO_LOG: ${{ secrets.IS_DB_ECHO_LOG }}
      IS_DB_EXPIRE_ON_COMMIT: ${{ secrets.IS_DB_EXPIRE_ON_COMMIT }}
      IS_DB_FORCE_ROLLBACK: ${{ secrets.IS_DB_FORCE_ROLLBACK }}
      IS_ALLOWED_CREDENTIALS: ${{ secrets.IS_ALLOWED_CREDENTIALS }}
      API_TOKEN: ${{ secrets.API_TOKEN }}
      AUTH_TOKEN: ${{ secrets.AUTH_TOKEN }}
      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
      JWT_SECRET_KEY: ${{ secrets.JWT_SECRET_KEY }}
      JWT_SUBJECT: ${{ secrets.JWT_SUBJECT }}
      JWT_TOKEN_PREFIX: ${{ secrets.JWT_TOKEN_PREFIX }}
      JWT_ALGORITHM: ${{ secrets.JWT_ALGORITHM }}
      JWT_MIN: ${{ secrets.JWT_MIN }}
      JWT_HOUR: ${{ secrets.JWT_HOUR }}
      JWT_DAY: ${{ secrets.JWT_DAY }}
      HASHING_ALGORITHM_LAYER_1: ${{ secrets.HASHING_ALGORITHM_LAYER_1 }}
      HASHING_ALGORITHM_LAYER_2: ${{ secrets.HASHING_ALGORITHM_LAYER_2 }}
      HASHING_SALT: ${{ secrets.HASHING_SALT }}

    runs-on: ${{ matrix.os }}
    steps:
      - name: Check repository
        uses: actions/checkout@v4
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
          cache: 'pip'
      - name: Display Python version
        run: python -c "import sys; print(sys.version)"
      - name: Install dependencies
        run:  |
          python -m pip install --upgrade pip
          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
      - name: Install Dependencies for Testing
        run: |
          pip install pytest pytest-asyncio pytest pytest-xdist
      - name: Test with Pytest-Cov
        run: |
          pytest --cov --cov-report xml .
      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v3
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          fail_ci_if_error: false
          flags: backend_app_tests
          slug: SkywardAI/chat-backend
          name: codecov-umbrella
          verbose: true

  docker_operations:
    name: 'Docker Build and Push🐳'
    needs: [build, code-quality, test]
    strategy:
      matrix:
        os:
          - ubuntu-latest
    defaults:
      run:
        working-directory: backend/
    runs-on: ${{ matrix.os }}
    steps:
      - name: Check repository
        uses: actions/checkout@v4
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'
      - name: Display Python version
        run: python -c "import sys; print(sys.version)"
      - name: Install dependencies
        run:  |
          python -m pip install --upgrade pip
          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
      - name: Login to Github Container Registry
        uses: docker/login-action@v3
        if: github.event_name != 'pull_request' && startsWith(github.ref, 'refs/tags/') && success()
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Build Docker image
        if: startsWith(github.ref, 'refs/tags/') != true && success()
        run: |
          docker build -t ${{ secrets.DOCKER_REGISTRY }}/${{ secrets.IMAGE_NAME }}:${GITHUB_SHA::7} .
      - name: Push Docker image
        if: github.event_name != 'pull_request' && startsWith(github.ref, 'refs/tags/') && success()
        run: |
          docker build -t ${{ secrets.DOCKER_REGISTRY }}/${{ secrets.IMAGE_NAME }}:${GITHUB_REF/refs\/tags\//} .
          docker push ${{ secrets.DOCKER_REGISTRY }}/${{ secrets.IMAGE_NAME }}:${GITHUB_REF/refs\/tags\//}