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

    db:
     image: mysql
     environment:
     - MYSQL_ROOT_PASSWORD= my-secret-pw
     - MYSQL_DATABASE= lamp
     - MYSQL_USER= lamp_user
     - MYSQL_PASSWORD= lamp_pass
     ports:
     - "3306:3306"