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Monolith vs. microservices in 2026: choose the boring one
Most teams shouldn't be running microservices. Here's a practical framework for deciding when the monolith is the right answer — and when it isn't.
Primeline TeamFebruary 4, 202611 min read
The case for boring
Microservices are an organizational tool. They solve the problem of teams stepping on each other's deployments. They don't make your software faster, more reliable, or easier to understand.
When a modular monolith is right
- You have fewer than ~30 engineers
- You deploy together more often than you deploy separately
- You don't have meaningful workload isolation needs
When microservices start to earn their keep
- Independent scaling profiles (e.g., a video transcoder vs. a search index)
- Independent deploy cadence with hard isolation
- Multiple teams with conflicting non-functional requirements
What we usually recommend
A modular monolith with clear bounded contexts and a couple of explicitly extracted services where the workload truly differs. This gives you 90% of the operational simplicity and most of the scaling headroom you'd get from microservices.
The real tax of microservices
Networks fail. Schemas drift. Tracing is hard. Local dev becomes a 14-container nightmare. Pay this tax only when the alternative — coordination cost — is worse.
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