use "ActionController::Lock", :if => lambda { !ActionController::Base.allow_concurrency } use "ActionController::Failsafe" use "ActiveRecord::QueryCache", :if => lambda { defined?(ActiveRecord) } ["ActionController::Session::CookieStore", "ActionController::Session::MemCacheStore", "ActiveRecord::SessionStore"].each do |store| use(store, ActionController::Base.session_options, :if => lambda { if session_store = ActionController::Base.session_store session_store.name == store end } ) end use ActionController::VerbPiggybacking