backend-architecture-patterns

Designs backend domain boundaries with inward dependencies, ports and adapters, consistency contracts, and infrastructure-independent tests, drawing on clean architecture, hexagonal architecture, and domain-driven design. Use when the user asks to "refactor a coupled codebase", "separate business logic from the database", "design ports and adapters", "define bounded contexts", or "make the core testable without infrastructure". Not for adding layers to simple CRUD, and never as automatic approval for service decomposition or production migrations.

Version

v1.0.1

Size

14 KB

Updated

2026-10-06

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