Password protect web UI

[ChopsKingsland]

Is it possible to password protect the web UI, so that I can buy a domain and use cloudflare tunnels to access it remotely? Example below (pulled from StackOverflow)

[mutability]

You can probably do this in the lighttpd config directly, though I don't have the details to hand.

https://redmine.lighttpd.net/projects/lighttpd/wiki/Mod_auth
https://redmine.lighttpd.net/projects/1/wiki/HowToBasicAuth