When should I use Domain-Driven Design (DDD)?

DDD is best suited for complex domains where business logic is intricate and requires a shared 'ubiquitous language' between developers and stakeholders.

Does this skill help with microservices decomposition?

Yes, by utilizing Bounded Contexts from DDD, it helps identify natural boundaries for decomposing monoliths into independent microservices.

What specific architectures does this skill support?

This skill focuses on Clean Architecture, Hexagonal Architecture (also known as Ports and Adapters), and Domain-Driven Design (DDD) principles.

How does this skill improve software testability?

By decoupling business logic from infrastructure using interfaces and ports, it allows you to easily mock external dependencies like databases or APIs during testing.

Is this skill restricted to a specific programming language?

No. While it provides implementation patterns, the underlying architectural concepts are universal and can be applied to Python, Java, Go, Node.js, and other backend languages.

Backend Architecture Patterns

Name: Backend Architecture Patterns
Author: HermeticOrmus

byHermeticOrmus

API Development

Implements industry-standard architectural patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design for robust backend systems.

About

The Backend Architecture Patterns skill enables Claude to guide the development of complex backend systems using proven design principles like Clean Architecture, Hexagonal Architecture (Ports and Adapters), and Domain-Driven Design (DDD). It provides standardized directory structures and implementation patterns that enforce a strict separation of concerns, ensuring that core business logic remains independent of external frameworks, databases, and UI components. This skill is essential for developers looking to build maintainable, testable, and scalable software that can adapt to changing technology requirements over time without requiring a full system rewrite.

Key Features

Clean Architecture layer implementation (Entities, Use Cases, Adapters)
0 GitHub stars
Hexagonal Architecture setup with Ports and Adapters for dependency inversion
Domain-Driven Design (DDD) tactical patterns like Aggregates and Value Objects
Technology-agnostic domain logic implementation for easier testing
Standardized directory structures for organized backend codebases

Use Cases

Architecting a new enterprise-grade microservice from the ground up
Establishing domain-driven standards for teams working on complex business logic
Refactoring tightly coupled legacy code into a loosely coupled architecture

About

Key Features

Clean Architecture layer implementation (Entities, Use Cases, Adapters)
0 GitHub stars
Hexagonal Architecture setup with Ports and Adapters for dependency inversion
Domain-Driven Design (DDD) tactical patterns like Aggregates and Value Objects
Technology-agnostic domain logic implementation for easier testing
Standardized directory structures for organized backend codebases

Use Cases

Architecting a new enterprise-grade microservice from the ground up
Establishing domain-driven standards for teams working on complex business logic
Refactoring tightly coupled legacy code into a loosely coupled architecture