Imports
- cellery.io/cellery/components/cli/pkg/image
- cellery.io/cellery/components/cli/pkg/util
- github.com/docker/distribution/manifest
- github.com/docker/distribution/manifest/schema1
- github.com/docker/libtrust
- github.com/nokia/docker-registry-client/registry
- github.com/opencontainers/go-digest