Migration

Incremental migration

Move parts of a system to better architecture or infrastructure without forcing a disruptive all-at-once rewrite.

1 min read

Incremental platform migration pattern visual

Why incremental

Incremental migration lets a team improve high-value areas while keeping the business running. Depending on the system, the plan may include module extraction, database transition, API boundaries, or platform moves.

Guardrails

Start with the most painful or risky areas.
Keep rollback and compatibility in view.
Add tests before changing critical behavior.
Avoid splitting systems in ways the team cannot operate.