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ddd-module-pattern

Restructure domain-layer packages around ubiquitous language concepts.

81|3|Updated Jan 14, 2026
Search Tags:#refactoring#ddd#packaging#architecture-review#ubiquitous-language#domain-model#package-structure
One-click install
npx skills add https://github.com/j5ik2o/okite-ai --skill ddd-module-pattern
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: ddd-module-pattern
Source: https://github.com/j5ik2o/okite-ai/tree/main/.agent/skills/ddd-module-pattern
Command: npx skills add https://github.com/j5ik2o/okite-ai --skill ddd-module-pattern

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill guides teams to restructure domain-layer packaging around ubiquitous language concepts, replacing technical folders like entities/ and services/ with business-domain packages that reflect domain concepts.

Core Features & Use Cases

  • Detects when domain packages are still technically organized (entities/, value-objects/, services/, repositories/) and suggests domain-oriented restructuring
  • Guides renaming and moving domain concepts into packages like order/, pricing/ to improve readability and cohesion
  • Use Case: You want to align your domain model with business terms and improve maintainability by clustering related domain concepts into focused packages.

Quick Start

Review your current domain-layer package structure and refactor it to domain-oriented packages like order/ and pricing/.

Frequently Asked Questions about ddd-module-pattern

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

FAQPage Schema
How do I refactor domain packages from technical folders to domain-centric modules?▼

Refactor domain packages by transforming technical folders like entities/ and services/ into domain-centric modules such as order/ and pricing/. This aligns your package structure with the ubiquitous language to improve domain model readability and cohesion.

What is domain-driven packaging and when do I need it for my architecture?▼

Domain-driven packaging organizes domain-layer code around business concepts rather than technical patterns. You need it when your ubiquitous language and domain model are obscured by technical folders, making it difficult to align code with business terms.

How do I detect misaligned packages in my domain layer?▼

Detect misaligned packages by reviewing your domain layer for technical structures like entities/, value-objects/, and repositories/. Identifying these folders indicates a need to restructure into domain-oriented packages reflecting business concepts.

Can I use this domain restructuring approach for existing DDD projects with established services?▼

Yes, you can apply this domain restructuring to existing DDD projects. It guides renaming and moving domain concepts from technical folders into focused packages, improving maintainability without requiring a full system rewrite.

Why does my domain model lack cohesion when using technical package structures?▼

Your domain model lacks cohesion because technical package structures like services/ and repositories/ scatter related domain concepts across different folders. Restructuring into domain-centric modules clusters related concepts together to improve readability.

What is the best way to enforce language-aligned module boundaries in domain-layer packaging?▼

The best way to enforce language-aligned module boundaries is to replace technical folders with business-domain packages. Restructuring packages like entities/ into domain concepts such as pricing/ ensures module boundaries reflect ubiquitous language.

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