A comprehensive guide to implementing Clean Architecture, Hexagonal, and DDD patterns for robust backend systems using Openclaw Skills.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install architecture-patterns
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install architecture-patterns using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Architecture Patterns?
This architecture patterns skill provides a structured approach to building scalable and maintainable backend systems. By integrating these patterns with Openclaw Skills, developers can effectively implement Clean Architecture, Hexagonal (Ports & Adapters), and Domain-Driven Design (DDD). These methodologies prioritize the separation of concerns, ensuring that core business logic remains independent of volatile external factors like databases, frameworks, or UI changes. This leads to codebases that are not only easier to understand but also significantly simpler to test and evolve over time.
Architecture Patterns Use Cases
- Designing new backend systems from scratch with a focus on decoupling.
- Refactoring legacy monoliths into maintainable services.
- Establishing clear architectural standards and layers for engineering teams.
- Creating highly testable codebases using mocks and stubs for external dependencies.
- Planning the decomposition of complex domains into microservices using Bounded Contexts.
How Architecture Patterns Works
- Analyze the business domain to choose between Clean Architecture, Hexagonal, or DDD based on project complexity.
- Define core entities in the innermost layer to encapsulate fundamental business rules and logic.
- Establish port interfaces to define how the application interacts with external services without coupling.
- Implement use cases that orchestrate the flow of data to and from entities using injected dependencies.
- Build adapters that connect the application to specific infrastructure like PostgreSQL or REST APIs.
Architecture Patterns Setup
To begin using these architectural patterns within your project environment supported by Openclaw Skills, you can initialize the standard directory structure using the following command:
mkdir -p app/{domain/{entities,value_objects,interfaces},use_cases,adapters/{repositories,controllers},infrastructure}
Architecture Patterns Data Schema & Taxonomy
The skill enforces a strict hierarchical data and logic organization where dependencies only point toward the core domain. The following table outlines the structural taxonomy used by Openclaw Skills:
| Layer | Key Components | Data Organization |
|---|---|---|
| Domain | Entities, Value Objects | Core business state and immutable objects |
| Application | Use Cases, Ports | Logic orchestration and interface definitions |
| Adapters | Repositories, Controllers | Implementation details and external mapping |
| Infrastructure | DB Drivers, Configuration | Low-level framework and tool settings |
Architecture Patterns Advanced Features
- Aggregate Roots: Implement consistency boundaries to manage complex state transitions in DDD.
- Domain Events: Use asynchronous event patterns to decouple side effects from primary business logic.
- Swappable Adapters: Easily alternate between different database providers or external APIs via port implementations.
- Value Object Validation: Ensure data integrity at the lowest level through immutable, self-validating objects.
- Explicit Dependency Injection: Manage component lifecycles and improve testability through clear injection patterns.
SKILL.md
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