docker-compose.yml

version: '2'

services:

    main:
        image: puffinrocks/wordpress:latest
        depends_on:
            - db
        ports:
            - 80
        environment:
            - VIRTUAL_HOST
            - VIRTUAL_PORT=80
            - LETSENCRYPT_HOST
            - LETSENCRYPT_EMAIL
            - LETSENCRYPT_TEST
            - WORDPRESS_DB_HOST=db
            - WORDPRESS_DB_PASSWORD=wordpress
        networks:
            - front
            - back
            - default
        volumes:
            - main_data:/var/www/html
        tmpfs:
            - /tmp
            #- /run - can't do that due to https://github.com/docker-library/php/issues/250

    db:
        image: puffinrocks/mariadb
        environment:
            MYSQL_ROOT_PASSWORD: wordpress
        volumes:
            - db_data:/var/lib/mysql

volumes:
    main_data:
    db_data:

networks:
    front:
        external:
            name: "puffin_front"
    back:
        external:
            name: "puffin_back"