How do I redirect without www using Rails 3 / Rack?

Question

I understand there are a lot of questions that answer this. I\'m familiar with .htaccess and nginx.conf methods, but I do not have access to such t

Answer 1

In Rails 3

#config/routes.rb
Example::Application.routes.draw do
  constraints(:host => "www.example.net") do
    match "(*x)" => redirect { |params, request|
      URI.parse(request.url).tap { |x| x.host = "example.net" }.to_s
    }
  end
  # .... 
  # .. more routes ..
  # ....
end