Docker compose for wordpress

docker-compose.yml

version: '3.3'

services:
    db:
        image: mariadb:latest
        volumes:
            - ./db_data:/var/lib/mysql
        ports:
            - "3308:3306"
        restart: always
        environment:
            MYSQL_ROOT_PASSWORD: wordpressROOT_PASSWORD
            MYSQL_DATABASE: wordpress
            MYSQL_USER: wordpressUSER
            MYSQL_PASSWORD: wordpressPASSWORD
  

    wordpress:
        depends_on:
            - db
        image: wordpress:latest
        volumes:
            - ./www:/var/www/html
        ports:
            - "85:80"
        restart: always
        environment:
            WORDPRESS_DB_HOST: db:3306
            WORDPRESS_DB_USER: wordpressUSER
            WORDPRESS_DB_PASSWORD: wordpressPASSWORD