golang

Request-based tracing provides a way to determine what exactly is happening with your requests and why.

It is handy when you want to reproduce and understand the problem that you are experiencing.

If you’re running a HTTP server and want to rate limit user requests, and most of the frameworks are providing their own middleware.

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.