handle requests for frontend files through secured route

config/routes.rb

@@ -8,10 +8,6 @@ Rails.application.routes.draw do
     end
   end
 
-  root to: 'application#frontend_index_html'
-
-  get '*path', to: 'application#frontend_index_html', constraints: lambda { |request|
-    !request.xhr? && request.format.html?
-  }
-  # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
+  get '*path', to: 'static#frontend_static'
+  root to: 'static#frontend_index_html'
 end