Remote Registry: | Remote registry that is to be cached. (Eg: For docker hub, docker.io, docker.io/library)
Remote Registry username: | Username for authenticating into the entered remote registry. For anonymous pulls from the upstream, leave this empty.
Remote Registry password: | Password for authenticating into the entered remote registry. For anonymous pulls from the upstream, leave this empty.
Expiration: In seconds | Default tag expiration for cached images, in seconds. This value is refreshed on every pull. Default is 86400 i.e, 24 hours.
Insecure: | If set, http (unsecure protocol) will be used. If not set, https (secure protocol) will be used to request the remote registry.

Successfully created proxy cache configuration
Successfully removed proxy cache configuration