docker-compose.yml

version: '3.8'

services:
  # MySQL database
  db:
    image: mysql:8.0
    container_name: wp-mysql
    environment:
      MYSQL_ROOT_PASSWORD: rootpassword
      MYSQL_DATABASE: wordpress
      MYSQL_USER: wpuser
      MYSQL_PASSWORD: wppassword
    volumes:
      - db_data:/var/lib/mysql
    networks:
      - wp-network

  # WordPress instance 1
  wordpress1:
    build: ./wordpress
    container_name: wordpress1
    environment:
      WORDPRESS_DB_HOST: db
      WORDPRESS_DB_USER: wpuser
      WORDPRESS_DB_PASSWORD: wppassword
      WORDPRESS_DB_NAME: wordpress
    volumes:
      - ./wordpress:/var/www/html
    depends_on:
      - db
    networks:
      - wp-network

  # WordPress instance 2
  wordpress2:
    build: ./wordpress
    container_name: wordpress2
    environment:
      WORDPRESS_DB_HOST: db
      WORDPRESS_DB_USER: wpuser
      WORDPRESS_DB_PASSWORD: wppassword
      WORDPRESS_DB_NAME: wordpress
    volumes:
      - ./wordpress:/var/www/html
    depends_on:
      - db
    networks:
      - wp-network

  # Nginx load balancer
  nginx:
    build: ./nginx
    container_name: nginx-loadbalancer
    ports:
      - "80:80"
    depends_on:
      - wordpress1
      - wordpress2
    networks:
      - wp-network

volumes:
  db_data:

networks:
  wp-network:
    driver: bridge