If you're running a HTTP server and want to rate limit user requests, the go-to package to use is probably Tollbooth by Didip Kerabat. It's well maintained, has a good range of features and a clean and clear API. But if you want something simple and lightweight – or just want to learn – it's not too difficult to roll your own middleware to handle rate limiting. In this post I'll run through the essentials of how to do that by using the x/time/rate package, which provides a token bucket ra...
