We should run an on-cluster registry to support on-cluster build

[mattmoor]

[mattmoor]

/cc @dewitt can you link anything you've done here?

[mattmoor]

Moving to a docs issue.

[mattmoor]

@grantr Are you looking at this in the context of minikube? Feel free to steal it.

[mattmoor]

@grantr I'm inclined to close this, unless it's something you are still looking at?

[grantr]

I keep meaning to look at it but haven't found the time. I hope to come back to it someday, since I think it will dramatically improve the test drive experience.