I think version controlling configuration is important. I don't understand why you think a GUI necessitates losing version control though, or why you think ver

I think version controlling configuration is important. I don't understand why you think a GUI necessitates losing version control though, or why you think version control is a "feature" of text files. If you need version control of always-running live-changing nginx configuration then you can run `nginx -T` to dump the parsed configuration to stdout. Just save that to version control.