Layered architecture separates application concerns into distinct layers with clear responsibilities: domain models define business constraints, application layer orchestrates workflows, repositories handle persistence, infrastructure provides external integrations, and interfaces serve as entry points. Dependencies flow
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TL;DRThe goal of this articleDisclaimer:The LayersHow to start layering?Larger apps: Horizontal layering per domain boundaryPractical example: refactoring a real endpointConclusionSort: