NewProviderFromDaemon creates a new provider instance for a specific image that will later be cached to the given directory.

NewProviderFromTarball creates a new provider instance for the specific image already at the given path.

DaemonImageProvider is a image.Provider capable of fetching and representing a docker image from the docker daemon API.

TarballImageProvider is a image.Provider for a docker image (V2) for an existing tar on disk (the output from a "docker image save ..." command).