Statistics & data — Modular monolith or microservices: how to choose
Key figures and market data
Choose architecture around team size, deployment needs and operational capacity rather than fashion.
Key figures
One app can have clear boundaries
A modular monolith deploys as one application but separates customers, orders and billing in code. This can suit a small product team: deployment stays simple while modules clarify business responsibilities.
Microservices add operational work
Independent services can deploy and scale separately. They also add network failures, distributed tracing and consistency challenges. If an order succeeds but payment fails, recovery needs design. More repositories alone do not create independent business services.
Decide from a real requirement
Does one feature need its own release cycle, scaling pattern or owning team? If not, improve modularity first. Document decisions and test boundaries so extraction remains possible when the product actually needs it.
Key trend : Choose the simplest architecture that meets real deployment and ownership needs.
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