Minor tweaks for running the container-registry in k8s. The big change is not requiring --image-registry.
Reviewed-on: #760
Reviewed-by: David Boreham <dboreham@noreply.git.vdb.to>
Co-authored-by: David Boreham <david@bozemanpas.com>
Reviewed-on: #747
Co-authored-by: David Boreham <david@bozemanpass.com>
Co-committed-by: David Boreham <david@bozemanpass.com>