CI/CD Pipeline: GitHub Actions Complete Guide for PHP and Python

CI/CD with GitHub Actions

CI/CD automates testing and deployment. Every push triggers tests; successful merges to main automatically deploy. GitHub Actions is the most widely used platform for PHP and Python projects.

# .github/workflows/ci.yml
name: CI Pipeline

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

jobs:
  test:
    runs-on: ubuntu-latest

    services:
      mysql:
        image: mysql:8.0
        env:
          MYSQL_DATABASE:      test_db
          MYSQL_ROOT_PASSWORD: root
        ports: [ "3306:3306" ]

    steps:
      - uses: actions/checkout@v4

      - name: Setup PHP
        uses: shivammathur/setup-php@v2
        with:
          php-version: '8.3'
          extensions: pdo, pdo_mysql

      - run: composer install --no-progress
      - run: vendor/bin/phpunit --coverage-text
        env:
          DB_HOST:     127.0.0.1
          DB_DATABASE: test_db
          DB_PASSWORD: root

  deploy:
    needs: test
    if: github.ref == 'refs/heads/main'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Deploy to Production
        uses: appleboy/ssh-action@master
        with:
          host:     ${{ secrets.PROD_HOST }}
          username: ${{ secrets.PROD_USER }}
          key:      ${{ secrets.PROD_SSH_KEY }}
          script: |
            cd /var/www/ezycoders
            git pull origin main
            composer install --no-dev --optimize-autoloader
            php artisan migrate --force
            php artisan cache:clear