Additional metadata of the image in the local cache. This information is local to the daemon, and not part of the image itself. ImageInspectMetadata
Optional
Date and time at which the image was last tagged in RFC 3339 format with nano-seconds. This information is only available if the image was tagged locally, and omitted otherwise.
Additional metadata of the image in the local cache. This information is local to the daemon, and not part of the image itself. ImageInspectMetadata