ConsenseShould we start with a monolith or microservices?
Microservices solve an organizational problem (many teams shipping independently) more than a technical one. A small team adopting them early usually pays the distributed-systems tax before it has the org size to need the benefit.
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What actually decides it
Team size and count
Microservices pay off when multiple teams need to ship independently without blocking each other. Below roughly a handful of engineers, that problem doesn't exist yet.
How settled the domain boundaries are
Splitting services around boundaries you'll redraw in three months means re-doing the split. A monolith is far cheaper to re-organize internally.
Operational maturity
Microservices multiply your deployment, monitoring and on-call surface area. That's a real tax paid in engineering time before any feature ships.
Extraction is easier than premature splitting
A well-modularized monolith can have its hottest, most independent piece extracted later. Reassembling over-split services is much harder.
What would change the answer
- Multiple teams actually blocking on each other's deploys
- A single component with distinctly different scaling needs than the rest
- Confirmed, stable domain boundaries
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