Scaling a SaaS is a problem you want to have, but it's a nightmare if you haven't planned for it. We see startups burning seed money rewriting their MVP because it was built on "no-code" or a spaghetti monolith.

The Stack of Elite SaaS

We advocate for a Modular Monolith on Next.js/Vercel for the first 100k users. It offers the speed of a monolith with the separation of concerns of microservices.

Why Next.js? It handles SSR (SEO friendly) and API routes (Backend) in one unified codebase with Edge capabilities.

Database Decisions

PostgreSQL is the answer for 99% of use cases. Don't use NoSQL "for speed" unless you have unstructured data at massive scale. Relational integrity saves lives.

Infrastructure involves:

  • CDN/Edge: Serve static assets close to the user.
  • Serverless Functions: Scale infinite compute for bursts.
  • Redis: Caching layer for hot data.

Build for 10x your current load, not 1000x. Over-engineering is also a form of debt.