> I tried to run a Jitsi server. It's a madness full of Docker impossible things to run and a very long and confusing configuration file.

Sorry to hear that. Any chance you can provide some more details on what you tried and didn't work? I'd like to improve on this.

> I wonder why can't these things be provided as binaries with a simple set of settings.

That's kind of what they already are, but at certain degree of complexity it unfortunately leaks back to the user.