Skopeo

To list tags in a container repository:

skopeo list-tags docker://<REGISTRY_URL>/<REPOSITORY>

To list tags from a docker archive:

skopeo list-tags docker-archive:<PATH>

To transfer container images between two registries:

skopeo copy \
docker://<REGISTRY1_URL>/<REPOSITORY>/<CONTAINER_IMAGE>:<TAG> \
docker://<REGISTRY2_URL>/<REPOSITORY>/<CONTAINER_IMAGE>:<TAG> \
--src-creds ${USERNAME_SRC}:${TOKEN_SRC} \
--dest-creds ${USERNAME_DEST}:${TOKEN_DEST}