When I first started learning system design, I felt overwhelmed. Load balancers. Caches. Message queues. Replication. Sharding. Distributed systems. There are a lot of terms. And most guides throw them at you like a vocabulary test. But here is th...

Production Health Checks & Graceful Shutdown !https://coderlegion.com/?qa=blob&qablobid=4923688071191255538 > Most backend tutorials teach you how to start a server. > > Very few teach you how a server should stop. That might sound strange at firs...

A few months ago, a small internal dashboard I had built started taking over four seconds to load. The page was simple — it listed recent projects and the person who owned each one. With a handful of test records it had been instantaneous, but now wi...