Choosing your tech stack: why Next.js, PostgreSQL, and Drizzle

AS

Abbygael Samantha

Next.js — a complete framework, not just a rendering library

Next.js's App Router brings Server Components and Server Actions by default, which concretely changes how you build an application: less API code to write and maintain by hand for simple read or write operations, native server rendering for public content (useful for the marketing site's SEO), and a single framework covering both the showcase site and the connected application behind authentication.

One framework, two uses

This unification avoids having to maintain two separate stacks — one for marketing, one for the product — with two build systems, two sets of dependencies, and two teams that don't always share the same conventions.

PostgreSQL — the relational database that's proven itself

Robust, open source, with a mature tooling ecosystem and a proven ability to cleanly model complex relationships: users, companies, orders, subscriptions, permissions. Exactly the kind of data structure a multi-tenant SaaS needs, where relationships between entities aren't optional but structural to the whole security and isolation logic.

PostgreSQL also has native support for advanced features — JSON types for semi-structured content, full-text search extensions, strong integrity constraints — which avoids depending on several different storage systems for needs a single well-used relational database can cover.

Drizzle — an ORM that hides nothing

A TypeScript-first schema where the types used in code and the actual table structure in the database come from the same source file, eliminating a whole class of bugs caused by drift between code and the real schema. The generated SQL migrations are readable and versioned in the code repo, rather than an opaque black box managed by a proprietary tool.

Useful for building fast, essential for auditing

This transparency is as useful for developing quickly as it is for precisely auditing what's actually happening in the database — a non-negotiable point the moment a production incident or a compliance question requires understanding exactly what data is stored where, and why.

The common thread: no unnecessary abstraction layer

These three technology choices share the same underlying philosophy: stay as close as possible to how the system actually works, rather than stacking abstraction layers that simplify writing the initial code but seriously complicate debugging once in production, exactly when clarity matters most.

What this choice avoids in practice

A fragmented stack — a frontend framework, a separate backend API in a different language, a NoSQL database for some data and relational for the rest — multiplies points of failure and makes it harder to hire a team capable of maintaining all of it. A unified Next.js, PostgreSQL, and Drizzle foundation narrows that scope down to a single, coherent stack, easier to document, audit, and evolve over time with a small team.

A choice that also makes hiring easier

Next.js, PostgreSQL, and TypeScript are among the most widely taught and practiced technologies in today's ecosystem — a criterion often underestimated at the initial technical decision stage, but that becomes decisive the moment you need to hire another developer or have an external provider audit the code. An exotic stack, or one built on little-used proprietary tools, mechanically narrows the pool of candidates able to pick up the project effectively.

This popularity criterion isn't just a matter of comfort: a widely adopted technology also benefits from an active community that documents edge cases, ships security fixes quickly, and keeps third-party tools up to date — an indirect but real safety net for a project meant to last.

This technical foundation isn't set in stone either: Next.js, PostgreSQL, and Drizzle are actively evolving, with regular releases bringing performance gains and new capabilities, while keeping reasonable backward compatibility that avoids breaking an existing project on every major update.