web:
 image: tutum/apache-php
 ports:
 - "80:80"
 links:
 - db
 volumes:
 - $PWD:/app

db:
 image: mysql
 ports:
 - "3306:3306"
 environment:
  MYSQL_ROOT_PASSWORD: password
  MYSQL_DATABASE: padaria
  MYSQL_USER: padaria_user
  MYSQL_PASSWORD: padaria_pass