skopeo
Container image management toolbox.
TLDR
Inspect a remote image from a registry
$ skopeo inspect docker://[registry_hostname]/[image:tag]
List available tags for a remote image
$ skopeo list-tags docker://[registry_hostname]/[image]
Download an image from a registry
$ skopeo copy docker://[registry_hostname]/[image:tag] dir:[path/to/directory]
Copy an image from one registry to another
$ skopeo copy docker://[source_registry]/[image:tag] docker://[destination_registry]/[image:tag]
Delete an image from a registry
$ skopeo delete docker://[registry_hostname]/[image:tag]
Log in to a registry
$ skopeo login --username [username] [registry_hostname]
