It's new in 0.5.0 [1] - Released ~10 days ago. Things in docker-land move super quick! [1] https://github.com/dotcloud/docker/wiki/Docker-0.5.0:-external-volum

It's new in 0.5.0 [1] - Released ~10 days ago. Things in docker-land move super quick! [1] https://github.com/dotcloud/docker/wiki/Docker-0.5.0:-external-volumes,-advanced-networking,-self-hosted-registry#externally-mounted-volumes https://github.com/dotcloud/docker/wiki/Docker-0.5.0:-extern...