development.rb

  config.middleware.use Rack::Bug,
    :secret_key => "moje_tajne_haslo",
    :panel_classes => [
      Rack::Bug::TimerPanel,
      Rack::Bug::ActiveRecordPanel,
      Rack::Bug::CachePanel,
      Rack::Bug::SQLPanel,
      Rack::Bug::TemplatesPanel,
      Rack::Bug::LogPanel,
      Rack::Bug::MemoryPanel
    ]