Imports
- github.com/box-builder/overmount
- github.com/box-builder/overmount/configmap
- github.com/docker/docker/client
- github.com/docker/docker/image
- github.com/docker/docker/layer
- github.com/docker/docker/pkg/archive
- github.com/opencontainers/go-digest
- github.com/opencontainers/image-spec/specs-go/v1
- github.com/pkg/errors