Designing modern web applications goes beyond choosing a framework. With Next.js 15, we can combine server components, edge runtimes, and static generation to build applications that are both fast and maintainable.
In this article, we explore folder structure, data fetching strategies, and caching patterns that scale from MVPs to large products.
We will also look at how to keep DX high while respecting DDD and SOLID principles in a real-world Next.js monorepo.