The debate between microservices and monolithic architectures continues to be one of the most discussed topics in software engineering. The truth is: neither is universally "better." The right choice depends on your context.

Start with a Monolith (Seriously)

For most early-stage products, a well-structured monolith is the right call. It's faster to develop, simpler to debug, and easier to deploy. The key is to design it with clear module boundaries so you can extract services later when needed.

When to Extract Microservices

Consider migrating to microservices when: (1) different parts of your system have vastly different scaling requirements, (2) multiple teams need to deploy independently, (3) you need to use different technology stacks for different components, or (4) fault isolation becomes critical for business continuity.

The Middle Ground: Modular Monolith

A modular monolith — where the codebase is organized into bounded contexts but deployed as a single unit — offers many benefits of microservices without the operational complexity. It's an excellent stepping stone that keeps your options open.