docker-compose.yml

version: "3.8"

services:
  database:
    deploy:
      placement:
        constraints:
          - "node.role == manager"
      replicas: 1
      restart_policy:
        condition: any
    environment:
      - MYSQL_ROOT_PASSWORD=roottoor
      - MYSQL_USER=wpdb
      - MYSQL_PASSWORD=Password123
      - MYSQL_DATABASE=wpdb
    image: mariadb:latest
    networks:
      - backend-net
    ports:
      - "127.0.0.1:3306:3306"
    volumes:
      - ./database/mariadb.cnf:/etc/mysql/conf.d/mariadb.cnf
      - ./database/initdb.d:/docker-entrypoint-initdb.d
      - db_vol:/var/lib/mysql

  phpmyadmin:
    deploy:
      placement:
        constraints:
          - "node.role == manager"
      replicas: 1
      restart_policy:
        condition: any
    environment:
      - PMA_HOST=database
      - UPLOAD_LIMIT=1024000000
    image: phpmyadmin/phpmyadmin:latest
    networks:
      - backend-net
    ports:
      - "127.0.0.1:9000:80"

  wordpress:
    deploy:
      mode: replicated
      placement:
        constraints:
          - "node.role == worker"
      replicas: 1
      update_config:
        parallelism: 2
        delay: 10s
      restart_policy:
        condition: any
    environment:
      - WORDPRESS_DB_HOST=database:3306
      - WORDPRESS_DB_USER=wpdb
      - WORDPRESS_DB_NAME=wpdb
      - WORDPRESS_DB_PASSWORD=Password123
    image: wordpress:5.5-php7.4-apache
    ports:
      - "80:80"
    networks:
      - backend-net
    volumes:
      - wp_vol:/var/www/html

networks:
  backend-net:
    driver: overlay
    driver_opts:
      encrypted: ""

volumes:
  db_vol:
  wp_vol: