ci-python-app.yml

name: CI Workflow

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

jobs:
  build:

    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: ./app

    steps:
    - name: Checkout repository
      uses: actions/checkout@v3
      
    - name: Set up Python 3.10
      uses: actions/setup-python@v2
      with:
        python-version: "3.10"
        
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install flake8 pytest
        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
    
    - 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
    
    - name: Test with pytest
      run: |
        pytest

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v3
      
    - name: Set up Docker Buildx
      id: buildx
      uses: docker/setup-buildx-action@v2
      
    - name: Cache Docker layers
      uses: actions/cache@v3
      with:
        path: /tmp/.buildx-cache
        key: ${{ runner.os }}-buildx-${{ github.sha }}
        restore-keys: |
          ${{ runner.os }}-buildx-
    
    - uses: docker/login-action@v2 
      with:
        username: ${{ secrets.DOCKER_USERNAME }}
        password: ${{ secrets.DOCKER_PASSWORD }}
      
    - name: Build and push
      uses: docker/build-push-action@v5
      with:
        context: ./app 
        file: ./app/Dockerfile
        builder: ${{ steps.buildx.outputs.name }}
        push: true
        tags: ${{ secrets.DOCKER_USERNAME }}/hello-gitops:${{ github.sha }}, ${{ secrets.DOCKER_USERNAME }}/hello-gitops:latest
        platforms: linux/amd64,linux/arm64
        cache-from: type=local,src=/tmp/.buildx-cache
        cache-to: type=local,dest=/tmp/.buildx-cache