--- a/config/application.rb	Sun Apr 06 01:23:15 2014 +0900
+++ b/config/application.rb	Sun Apr 06 03:04:43 2014 +0900
@@ -63,13 +63,13 @@
     # Version of your assets, change this if you want to expire all your assets
     config.assets.version = '1.0'
 
-    # Save cache in different location to avoid collision.
-    config.action_controller.page_cache_directory = config.root.join('public', 'cache')
-
-    # Enable compression for page caches.
-    config.action_controller.page_cache_compression = :best_compression
-
     # No need to initialize application when precompiling assets
     config.assets.initialize_on_precompile = false
+
+    if ENV["ZP_MEMCACHE"]
+      config.cache_store = :dalli_store, ENV["ZP_MEMCACHE"].split(","), { :namespace => "zeropaste" }
+    else
+      config.cache_store = :null_store
+    end
   end
 end