image/

digest is a copy from "github.com/distribution/distribution/v3/digest" that is kept because we want to avoid the godep, this package has no non-standard dependencies, and if it changes lots of other docker registry stuff breaks.

reference is a copy from "github.com/distribution/distribution/v3/reference" that is kept because we want to avoid the godep, this package has no non-standard dependencies, and if it changes lots of other docker registry stuff breaks.