docker-compose.yml

version: '3.8' # Specify the Compose file format version

services:
  web:
    build: . # Build the image from the current directory (where the Dockerfile is located)
    ports:
      - "8000:80" # Map host port 8000 to container port 80
    volumes:
      - ./app:/var/www/html # Mount the local 'app' directory into the container
    depends_on:
      - db # Ensure the 'db' service starts before 'web'
    environment:
      DATABASE_URL: "mysql://user:password@db:3306/mydatabase" # Example environment variable

  db:
    image: mysql:8.0 # Use the official MySQL 8.0 image from Docker Hub
    environment:
      MYSQL_ROOT_PASSWORD: "mysecretpassword" # Set the root password for MySQL
      MYSQL_DATABASE: "mydatabase" # Create a default database
      MYSQL_USER: "user" # Create a default user
      MYSQL_PASSWORD: "password" # Set the password for the default user
    volumes:
      - db_data:/var/lib/mysql # Persist database data to a named volume

volumes:
  db_data: # Define the named volume for database persistence