repository name component must match "[a-z0-9](?:-*[a-z0-9])*(?:[._][a-z0-9](?:-*[a-z0-9])*)*"

[EMart002]

Since the Dockerfile specs have been updated, the docker cant build the sample app anymore. Could you pls update your sample projects, so we can build it again without any errors.

http://docs.master.dockerproject.org/registry/spec/api/