[deploy] Throttle General Site Requests (#7418)

config/initializers/rack/attack.rb

@@ -16,4 +16,10 @@ class Rack::Attack
       request.env["HTTP_API_KEY"]
     end
   end
+
+  throttle("site_hits", limit: 100, period: 2) do |request|
+    if request.env["HTTP_FASTLY_CLIENT_IP"].present?
+      request.env["HTTP_FASTLY_CLIENT_IP"].to_s
+    end
+  end
 end

spec/initializers/rack/attack_spec.rb

@@ -5,6 +5,7 @@ describe Rack::Attack, type: :request, throttle: true do
     redis_url = "redis://localhost:6379"
     cache_db = ActiveSupport::Cache::RedisStore.new(redis_url)
     allow(Rails).to receive(:cache) { cache_db }
+    cache_db.data.flushdb
   end
 
   describe "search_throttle" do