Reading comprehension

web/server.rb

       secret: ENV['SESSION_SECRET']
 
   set :environment, ENV['APP_ENV'] == 'production' ? :production : :development
-  set :show_exceptions, ENV['APP_ENV'] == 'production'
+  set :show_exceptions, ENV['APP_ENV'] == 'development'
 
   error 500 do
     erb :error, { layout: :layout }