Imports
- github.com/containerd/containerd/content
- github.com/containerd/containerd/images
- github.com/containerd/containerd/remotes
- github.com/docker/distribution/reference
- github.com/opencontainers/go-digest
- github.com/opencontainers/image-spec/specs-go/v1
- github.com/sirupsen/logrus
- golang.org/x/sync/semaphore