Scaling reads is easy—cache, replicate, and you're good.
Scaling writes? That’s where things get tricky.
Reads scale horizontally with caching (Redis, CDN) and replication (read replicas).
But writes? They require partitioning and consistency trade-offs—things you can't just slap on later without pain.
Sharding, CQRS, and Event-Driven ap…
Code Is Never Done—and That’s Totally Okay.
The alternative is over-engineering, which only complicates things later on.
Let’s face it: code is never really finished. And you know what? That’s a good thing.
I spent hours (okay, weeks) trying to make things perfect. Over-engineering every little thing, adding features "just in case."