require "flipper" require "flipper/adapters/active_record" Flipper.configure do |config| config.default do Flipper.new(Flipper::Adapters::ActiveRecord.new) end end Rails.configuration.middleware.use Flipper::Middleware::Memoizer, preload_all: true Flipper.register(:admins) { |actor| actor.respond_to?(:admin?) && actor.admin? }