Docker compose for a wordpress installation

docker-compose.yml

version: '3'

services:
    mysql:
        image: 'mysql:5.7'
        environment: 
            - MYSQL_ROOT_PASSWORD=password
            - MYSQL_DATABASE=wordpress
    wordpress:
        image: wordpress
        volumes: 
            - ./data:/var/www/html
        ports: 
            - 8080:80