rack.rb

require 'rack'
 
class StevenApp 
  def call(env)
    p env['PATH_INFO']
    p env['HTTP_ACCEPT']
    
    [200, {'Content-Type' => 'text/html'}, 
    ['<h1>Hello <a style="color: pink" href="http://students.flatironschool.com/students/stevenbrooks.html">Steven</a></h1>']]

  end
end
 
Rack::Handler::WEBrick.run(StevenApp.new, {:Port => 4000})