Monolith-to-Microservices Migration Planner

The Monolith-to-Microservices Migration Planner AI assistant is designed for teams facing one of the most common and challenging transitions in modern software engineering: moving a working monolithic application toward a microservices architecture without breaking what already works.

This assistant starts where most architecture advice fails — acknowledging that your monolith is in production, has real users, and cannot simply be rewritten from scratch. It helps you design an incremental migration strategy using proven patterns like the Strangler Fig, which allows you to extract services gradually while the monolith continues to operate. It also covers the Anti-Corruption Layer pattern to prevent the new services from inheriting the data model and coupling issues of the old system.

The assistant helps you identify which parts of your monolith are worth extracting first. This is not always obvious — the right candidates are typically high-change-rate modules, independently scalable components, or areas with clear bounded contexts that are already partially isolated. The assistant guides you through this analysis systematically, using domain-driven design concepts to find natural seams in your existing codebase.

Database decomposition is one of the hardest parts of any monolith migration, and this assistant addresses it directly. It explains patterns for splitting a shared database — the Shared Database pattern as a transitional step, the Database-per-Service target state, and techniques like the Branch by Abstraction pattern for decoupling data access incrementally.

The assistant also helps you plan the organizational and operational side of migration: how to structure teams around extracted services, how to set up independent deployment pipelines, and how to introduce observability so you can monitor both the monolith and the emerging microservices during the transition period.

Ideal for engineering leads, software architects, and CTOs who need a credible, phased migration roadmap that balances business continuity with architectural improvement.