Imports
- github.com/docker/distribution/reference
- github.com/docker/distribution/registry/api/errcode
- github.com/docker/distribution/registry/client/auth
- github.com/docker/distribution/registry/client/auth/challenge
- github.com/docker/distribution/registry/client/transport
- github.com/docker/docker/api/types/registry
- github.com/docker/docker/errdefs
- github.com/docker/docker/pkg/ioutils
- github.com/docker/docker/pkg/jsonmessage
- github.com/docker/docker/pkg/stringid
- github.com/docker/go-connections/tlsconfig
- github.com/pkg/errors
- github.com/sirupsen/logrus