How to: How do I configure credentials to download images from a private docker registry?
Create a special secret in a your namespace that provides the registry and credentials to authenticate with. Then use that secret in the `spec.imagePullSecrets` field of your pod specification. http://kubernetes.io/docs/user-guide/production-pods/#authenticating-with-a-private-image-registry
http://kubernetes.io/docs/user-guide/images/#using-a-private-registry