database:
   build: mysql/
   volumes:
     - /data/mysql/:/var/lib/mysql
   expose:
     - "3306"
 httpd:
   build: httpd/
   links:
     - database:db
   volumes:
     - /data/owncloud/files:/srv/www/htdocs/owncloud/data
     - /data/owncloud/config:/srv/www/htdocs/owncloud/config
   ports:
     - "80:80"