Imports
- github.com/docker/distribution/reference
- github.com/docker/docker/distribution/metadata
- github.com/docker/docker/image
- github.com/docker/docker/image/v1
- github.com/docker/docker/layer
- github.com/docker/docker/pkg/ioutils
- github.com/docker/docker/reference
- github.com/opencontainers/go-digest
- github.com/sirupsen/logrus