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architecture-patterns

Implement proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design. Use when architecting complex backend systems or refactoring existing applications for better maintainability.

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name:architecture-patternsdescription:Implement proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design. Use when architecting complex backend systems or refactoring existing applications for better maintainability.

Architecture Patterns

Master proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design to build maintainable, testable, and scalable systems.

Use this skill when

  • Designing new backend systems from scratch

  • Refactoring monolithic applications for better maintainability

  • Establishing architecture standards for your team

  • Migrating from tightly coupled to loosely coupled architectures

  • Implementing domain-driven design principles

  • Creating testable and mockable codebases

  • Planning microservices decomposition

    • Do not use this skill when

  • You only need small, localized refactors

  • The system is primarily frontend with no backend architecture changes

  • You need implementation details without architectural design

    • Instructions

  • Clarify domain boundaries, constraints, and scalability targets.

  • Select an architecture pattern that fits the domain complexity.

  • Define module boundaries, interfaces, and dependency rules.

  • Provide migration steps and validation checks.

    • Refer to resources/implementation-playbook.md for detailed patterns, checklists, and templates.

    Resources

  • resources/implementation-playbook.md for detailed patterns, checklists, and templates.