Example Docker Compose for Wordpress

docker-compose.yml

version: '2'

services:
  wordpress:
    image: wordpress:4.7.3-php5.6-apache
    container_name: sandbox-wordpress
    volumes:
      - ./:/var/www/html
    ports:
      - 8080:80
    environment:
      WORDPRESS_DB_HOST: database
      WORDPRESS_DB_NAME: sandbox
      WORDPRESS_DB_USER: sandbox
      WORDPRESS_DB_PASSWORD: sandbox

  database:
    image: mariadb:10.1.22
    container_name: sandbox-database
    expose:
      - 3306
    environment:
      MYSQL_USER: sandbox
      MYSQL_PASSWORD: sandbox
      MYSQL_DATABASE: sandbox
      MYSQL_ROOT_PASSWORD: sandbox