docker-setup-public/web/docker-compose.yml

version: "3"
services:
    wordpress:
        image: wordpress
        restart: always
        environment:
            - WORDPRESS_DB_HOST=mysql:3306
            - WORDPRESS_DB_USER=wordpressuser
            - WORDPRESS_DB_PASSWORD=wordpresspassword
            - WORDPRESS_DB_NAME=wordpress
            - WORDPRESS_TABLE_PREFIX=dockerwp
        volumes:
            - wordpress-data:/var/www/html
        networks:
            - backend
            - traefik
        links:
            - mysql
        labels:
            - traefik.frontend.rule=Host:blog.example.com
            - traefik.backend=wordpress
            - traefik.docker.network=proxy
            - traefik.port=80
    mysql:
        image: mysql:5.7
        restart: always
        environment:
            - MYSQL_ROOT_PASSWORD=mysqlrootpassword
            - MYSQL_DATABASE=wordpress
            - MYSQL_USER=wordpressuser
            - MYSQL_PASSWORD=wordpressuserpassword
        volumes:
            - mysql-data:/var/lib/mysql
        networks:
            - backend
        labels:
            - "traefik.enable=false"
volumes:
    wordpress-data:
        driver: local
    mysql-data:
        driver: local
networks:
    backend:
        driver: bridge
    traefik:
        external: true