Imports
- github.com/docker/distribution/manifest/schema2
- github.com/docker/distribution/manifest/manifestlist
- github.com/docker/distribution/manifest/schema1
- github.com/docker/distribution
- github.com/docker/distribution/context
- github.com/docker/distribution/manifest
- github.com/docker/libtrust
- github.com/opencontainers/go-digest