Architecture Patterns

WHAT

Backend architecture patterns for building maintainable, testable systems: Clean Architecture, Hexagonal Architecture, and Domain-Driven Design.

WHEN

• Designing new backend systems from scratch
• Refactoring monoliths for better maintainability
• Establishing architecture standards for teams
• Creating testable, mockable codebases
• Planning microservices decomposition

KEYWORDS

clean architecture, hexagonal, ports and adapters, DDD, domain-driven design, layers, entities, use cases, repositories, aggregates, bounded contexts

Decision Framework: Which Pattern?