If you have ever tried to build a large Node.js backend and thought, "Why does this feel like I'm making it up as I go?" — you are not alone.
Express is powerful. Fastify is fast. But neither one tells you how to structure your project. You end up inventing your own patterns, copying folder structures from tutorials, and praying nothing breaks when the project grows.
That is exactly the problem NestJS was built to solve. And it is solving it really well.
So what is NestJS, why is everyone suddenly talking about it, and should you actually learn it? Let's find out.
What Is NestJS?
