Redirect to the too many requests error page

config/initializers/rack_attack.rb

@@ -11,3 +11,10 @@ Rack::Attack.throttle("password reset requests", limit: 5, period: 60.seconds) d
     request.params["user"]["email"].to_s.downcase.gsub(/\s+/, "")
   end
 end
+
+Rack::Attack.throttled_responder = lambda do |_env|
+  headers = {
+    "Location" => "/429",
+  }
+  [301, headers, []]
+end

config/routes.rb

@@ -71,7 +71,7 @@ Rails.application.routes.draw do
 
   scope via: :all do
     match "/404", to: "errors#not_found"
-    match "/429", to: "errors#too_many_requests"
+    match "/429", to: "errors#too_many_requests", status: 429
     match "/422", to: "errors#unprocessable_entity"
     match "/500", to: "errors#internal_server_error"
   end

spec/requests/rack_attack_spec.rb

@@ -54,6 +54,7 @@ describe "Rack::Attack" do
       it "throttles" do
         over_limit.times do
           post "/users/password", params: params
+          follow_redirect!
         end
         last_response = response
         expect(last_response.status).to eq(429)