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nw-legacy-refactoring-ddd

Automate incremental legacy refactoring into bounded contexts using Domain-Driven Design patterns.

Updated Mar 18, 2024
Search Tags:#ddd#architecture-patterns#bounded-context#strangler-fig#incremental-migration#acl-migration#legacy-refactoring
One-click install
npx skills add https://github.com/v1bh0r/precise-ledger-pro --skill nw-legacy-refactoring-ddd-v1bh0r
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: nw-legacy-refactoring-ddd
Source: https://github.com/v1bh0r/precise-ledger-pro/tree/main/nWave/skills/nw-legacy-refactoring-ddd
Command: npx skills add https://github.com/v1bh0r/precise-ledger-pro --skill nw-legacy-refactoring-ddd-v1bh0r

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Refactors legacy systems using Domain-Driven Design as a strategic compass, enabling incremental, low-risk modernization.

Core Features & Use Cases

  • DDD-guided refactoring framework (Strangler Fig, Bubble Context, ACL migration) to evolve monoliths into microservices.
  • Phase-driven methodology with Phase 1 Understand and Stabilize through Phase 4 Extract Services, plus fitness and testing guidance.
  • Decision framework to assess value, risk, and cost before refactoring in real projects.

Quick Start

Understand the domain, identify bounded contexts and pick a strangler fig candidate to begin.

Frequently Asked Questions about nw-legacy-refactoring-ddd

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

FAQPage Schema
What is the strangler fig pattern for incremental migration?▼

The strangler fig pattern for incremental migration progressively replaces legacy monolith functionality with new services. It identifies bounded context candidates and routes traffic to new implementations while the old system remains operational.

When should I use bubble context and ACL migration patterns?▼

Bubble context and ACL migration patterns are used when extracting services from a monolith requires isolating domain logic without immediate restructuring. ACL translation layers manage communication between new bounded contexts and legacy components.

How do I assess risk and value before refactoring a legacy system?▼

Assess legacy refactoring risk and value using a decision framework that evaluates architectural impact, migration cost, and business value. This governs architecture evolution by prioritizing safe, high-value bounded context extractions.

What testing guidance exists for migrating monoliths to microservices?▼

Testing guidance for migrating monoliths to microservices includes fitness functions and phase-driven validation. It ensures incremental migration safety by verifying that extracted bounded contexts maintain behavioral parity with the legacy system.

Can I use DDD patterns for legacy refactoring on large monoliths?▼

DDD patterns for legacy refactoring support large monoliths by using a phase-driven methodology from initial stabilization to service extraction. The approach scales by targeting specific bounded contexts rather than requiring a full rewrite.

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