Base docker-compose.yml

docker-compose.yml

services:
   db:
     image: mariadb
     volumes:
       - db_data:/var/lib/mysql
     restart: always
     environment:
       MYSQL_ROOT_PASSWORD: password
       MYSQL_DATABASE: site1db
       MYSQL_USER: wordpress
       MYSQL_PASSWORD: wordpress
     container_name: maria_db

   wordpress:
     depends_on:
       - db
     image: wordpress:latest
     expose:
       - 80
     restart: always
     environment:
       VIRTUAL_HOST: site1.com
       WORDPRESS_DB_HOST: db:3306
       WORDPRESS_DB_USER: wordpress
       WORDPRESS_DB_PASSWORD: wordpress
     container_name: site1.com
volumes:
    db_data:

networks:
  default:
    external:
      name: nginx-proxy