How to run a simple ruby script in any web server (Apache or Mongrel or any thing else)

Question

It seems very funny to me that when I search something related ruby, all ruby on rails related results popped up. So nobody using raw ruby anymore?

However, I am new to

Answer 1

Run this from your app root.

ruby -r webrick -e "s = WEBrick::HTTPServer.new(:Port => 8000, :DocumentRoot => Dir.pwd); trap('INT') { s.shutdown }; s.start"