architecture-patterns

Guide backend system refactoring with Clean Architecture, Hexagonal Architecture, and Domain-Driven Design.

15|10|Updated May 21, 2026
One-click install
npx skills add https://github.com/The-AIOS/aios --skill architecture-patterns-the-aios
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: architecture-patterns
Source: https://github.com/The-AIOS/aios/tree/main/skills/aios/architecture-patterns
Command: npx skills add https://github.com/The-AIOS/aios --skill architecture-patterns-the-aios

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill assists in implementing and refactoring backend systems to follow proven architecture patterns like Clean Architecture, Hexagonal Architecture, and Domain-Driven Design, ensuring maintainability and scalability.

Core Features & Use Cases

  • Clean Architecture Implementation: Provides guidance and code examples for the Clean Architecture pattern, helping to decouple core business logic from frameworks and infrastructure.
  • Hexagonal Architecture Best Practices: Offers insights into implementing Hexagonal Architecture with ports and adapters for better testing and separation of concerns.
  • Domain-Driven Design Principles: Walks through Domain-Driven Design principles and how to apply them for effective domain modeling and collaboration.
  • Use Case: Refactoring a monolithic application into a modular and maintainable system following the Clean Architecture principles.

Quick Start

Start by reviewing the Clean Architecture pattern directory structure and examples within the skill unit.

Frequently Asked Questions about architecture-patterns

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I refactor a monolithic application to follow Clean Architecture?

To refactor a monolithic application using Clean Architecture, decouple core business logic from frameworks and infrastructure. Review the provided directory structure and code examples to modularize your system for better maintainability and scalability.

What's the best way to implement Hexagonal Architecture for backend systems?

Implement Hexagonal Architecture by using ports and adapters to separate core logic from external interfaces. This approach enhances testing capabilities and ensures strict separation of concerns within your backend system architecture.

How does Domain-Driven Design improve backend system architecture?

Domain-Driven Design improves backend architecture by providing principles for effective domain modeling and collaboration. It helps structure complex software around business domains, ensuring maintainability and scalability.

Do I need prior knowledge of software design patterns to use this guidance?

Yes, an understanding of backend system architecture and software design patterns is required. This guidance focuses on implementing and refactoring systems using advanced concepts like Clean Architecture and Domain-Driven Design.

Can I use these architecture patterns to make my monolithic system more testable?

Yes, applying patterns like Hexagonal Architecture with ports and adapters isolates business logic from infrastructure. This separation significantly improves testability and makes your backend systems more maintainable.

When should I choose Hexagonal Architecture over Clean Architecture?

Choose Hexagonal Architecture for strict isolation using ports and adapters, or Clean Architecture to decouple business logic from frameworks. Both patterns solve maintainability issues by separating concerns in backend systems.