TL;DR The final code can be found here: https://github.com/creack/goproxy Goal In this article, we are going to dive into the standard library's Reverse Proxy and see how to use it as a load balancer with persistent connections that doesn't lose any requests! Here is our example setup: Service One - version 1 running on http://localhost:9091/ and http://localhost:9092/ Reverse Proxy on http://loca