1_routes.sh

app(master*)$ bin/rake routes
        Prefix Verb URI Pattern                 Controller#Action
heroix_sign_up GET /:country/sign_up(.:format) heroix/users#new {:country=>"au"}

2_routes.rb

MyApp::Application.routes.draw do
  scope '/:country', module: 'heroix', as: 'heroix', defaults: {country: 'au'} do
    get '/sign_up' => 'users#new'
  end
end