Data Bricklaying Diary
Sep 2, 2026 · Backend Development
Independent Deployment ≠ Clean Internals: Isolating Business Rules from Technical Details
This article explains why independently deployed services can still have chaotic internal architecture, and demonstrates how to separate business rules, use cases, ports, and adapters to ensure dependencies point inward, enabling testable, evolvable systems without mechanically applying layered templates.
business rules isolationclean architecturedependency inversion
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