raise exceptions on unpermitted params in staging

config/environments/staging.rb

@@ -1,6 +1,8 @@
 Growstuff::Application.configure do
   # Settings specified here will take precedence over those in config/application.rb
 
+  config.action_controller.action_on_unpermitted_parameters = :raise
+  
   # Eager load code on boot. This eager loads most of Rails and
   # your application in memory, allowing both threaded web servers
   # and those relying on copy on write to perform better.