Evolution and Refactoring of the Mafengwo IM System: From PHP 1.0 to Go‑Based Microservices
The article details the step‑by‑step architectural evolution of Mafengwo's instant‑messaging platform—from an initial PHP‑based monolith, through polling optimizations with OpenResty, to a Go‑implemented, micro‑service‑oriented design that improves scalability, reliability, and multi‑device synchronization.
