stephaneliu/rails_docker — pull request #7 by zhao-li (2014-10-30 19:14:22+00:00)
Title: Use data-only container

Data only containers per:
https://docs.docker.com/userguide/dockervolumes/#creating-and-mounting-a-data-volume-container

Backup, restore, and migrating data volumes:
https://docs.docker.com/userguide/dockervolumes/#backup-restore-or-migrate-data-volumes