Answer
Group code into domain modules with strict boundaries enforced via namespaces and DI. Avoid cross-module dependencies. Use domain layers with well-defined APIs.
Quick Answer
Modular monolith: split code into modules with clear boundaries (Billing, Auth, Orders). Each module has its own controllers, services, repositories, and DB schema. Modules communicate through public interfaces or internal events - no direct cross-module DB joins. Use namespace-based module structure. Test modules independently. Easy to extract as microservices later. Better than big-ball-of-mud monolith.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ