Configuring subdomains so we can access our API thorugh URLs like http://api.facilethings.com/v1

Gemfile

gem "subdomain-fu"
gem "subdomain_routes"

projects_controller.rb

module Api
  class V1::ProjectsController < ApplicationController        
    def index
      render :text => "API v1 under construction!"
    end
  end
end

routes.rb

ActionController::Routing::Routes.draw do |map|
  
  map.subdomain :api do |api|
    api.namespace :v1 do |v1|
      v1.resources :projects
    end
  end
  
end

subdomain_fu.rb

SubdomainFu.tld_sizes = { :development => 1,
                          :test => 1,
                          :production => 1 }
SubdomainFu.mirrors = %w(www)