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Migrating from monolith to microservices without stopping the business
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Migrating from monolith to microservices without stopping the business

A practical playbook for Strangler Fig migrations, domain boundaries, and zero-downtime cutovers.

Platform Architecture Team·May 14, 2026·12 min read

Monolith migrations fail when teams try to rewrite everything at once. Successful migrations isolate high-value domains, route traffic incrementally, and maintain backward compatibility until cutover is proven.

We begin with domain mapping workshops—not infrastructure diagrams. Understanding transactional boundaries and team ownership matters more than picking Kubernetes first.

The Strangler Fig pattern remains the most reliable approach: proxy traffic through a gateway, migrate services one domain at a time, and keep observability consistent across old and new paths.

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