Running Sinatra on port 80

Question

I installed Sinatra and it works but it uses port 4567 by default. I want it to run on port 80.

In an effort to get it to work on port 80, I tried this:

Answer 1

Any port below 1024 is for privileged processes only. You'd have to run as root to run the sinatra app directly on 80. You could reverse proxy - http://sinatra-book.gittr.com/#deployment.