class UsersController before_action Millrace::RateLimit.new( name: "follows", rate: 1/60.0, # 1 request per minute window: 1.minute, penalty: 10.minutes, ), only: :create rescue_from Millrace::RateLimited do |error| # perhaps record metrics here response.set_header "Retry-After", error.retry_after head :too_many_requests end ... end 

Bug reports and pull requests are welcome on GitHub at https://github.com/errm/millrace. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the code of conduct.

The gem is available as open source under the terms of the MIT License.

Everyone interacting in the Millrace project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.