docker compose for wordpress

docker-compose.yml

version: '3.6'
services:
  nginx:
    image: nginx:latest
    container_name: nginx
    ports:
      - '80:80'
      - '443:443'
    volumes:
      - ./nginx:/etc/nginx/conf.d
      - ./logs/nginx:/var/log/nginx
      - ./wordpress:/var/www/html
      - ./certs:/etc/letsencrypt
      - ./certs-data:/data/letsencrypt
    links:
      - wordpress
    restart: always

  mysql:
    image: mariadb
    container_name: mysql_wp
    volumes:
      - ./mysql:/var/lib/mysql
    environment:
      - MYSQL_ROOT_PASSWORD=root
      - MYSQL_USER=wp_user                 # same as WORDPRESS_DB_USER
      - MYSQL_PASSWORD=wp_password         # same as WORDPRESS_DB_PASSWORD
      - MYSQL_DATABASE=wordpress           # same as WORDPRESS_DB_NAME
    restart: always

  wordpress:
    image: wordpress:php7.2-fpm
    container_name: wordpress
    volumes:
      - ./wordpress:/var/www/html
    ports: 
      - '9000:9000'
    environment:
      - WORDPRESS_DB_NAME=wordpress
      - WORDPRESS_TABLE_PREFIX=wp_
      - WORDPRESS_DB_HOST=mysql
      - WORDPRESS_DB_PASSWORD=wp_password  # new DB password
      - WORDPRESS_DB_USER=wp_user          # new DB user
    links:
      - mysql
    restart: always