fix for production config

config/environments/production.rb

@@ -40,7 +40,7 @@ Danbooru::Application.configure do
   # config.logger = ActiveSupport::TaggedLogging.new(SyslogLogger.new)
 
   # Use a different cache store in production
-  config.cache_store = :dalli_store, Danbooru.config.memcached_servers
+  # config.cache_store = :dalli_store, Danbooru.config.memcached_servers
 
   # Enable serving of images, stylesheets, and JavaScripts from an asset server
   # config.action_controller.asset_host = "http://assets.example.com"

config/initializers/z_dalli.rb

@@ -1,3 +1,9 @@
 unless defined?(MEMCACHE)
   MEMCACHE = Dalli::Client.new(Danbooru.config.memcached_servers, :namespace => Danbooru.config.app_name.gsub(/[^A-Za-z0-9]/, "_"))
 end
+
+if Rails.env.production?
+  Danbooru::Application.configure do
+    config.cache_store = :dalli_store, Danbooru.config.memcached_servers
+  end
+end