What is your suggestion?

Please log in below. Check the config file at /path/to/config.yaml for the password.

The login screen exposes the path to the config file.

Please log in below. Password was set from $PASSWORD.

This does not help end users that were not involved in setting up the password.

Why do you want this feature?

After the system is setup properly, this info is no longer helpful, there should be a way to hide this to prevent unnecessary information leaks.

Are there any workarounds to get this functionality today?

None.

Are you interested in submitting a PR for this?

Yes, but I'm not confident in javascript.