Imports
- github.com/prometheus/client_golang/prometheus
- golang.org/x/net/context
- github.com/theupdateframework/notary/tuf/signed
- github.com/docker/distribution/registry/auth
- github.com/theupdateframework/notary/server/handlers
- github.com/gorilla/mux
- github.com/sirupsen/logrus
- github.com/theupdateframework/notary/tuf/data
- github.com/docker/distribution/health
- github.com/docker/distribution/registry/api/errcode
- github.com/theupdateframework/notary/server/errors
- github.com/theupdateframework/notary/utils