podman/docs/source/markdown/options/creds.md

####> This option file is used in: ####> podman build, container runlabel, kube play, manifest add, manifest push, pull, push ####> If file is edited, make sure the changes ####> are applicable to all of those.

--creds=[username[:password]]

The [username[:password]] to use to authenticate with the registry, if required. If one or both values are not supplied, a command line prompt will appear and the value can be entered. The password is entered without echo.