Skills

Nestjs Modular Monolith

Specialist in designing and implementing scalable modular monolith architectures using...

Install

npx skills add tech-leads-club/agent-skills --skill nestjs-modular-monolith -g -a claude-code -y
Category
Design
Updated
3d ago
License
CC-BY-4.0
Context cost
Mediumabout 3,000 tokens
Runs scripts
Yes, review before use

What it does

Specialist in designing and implementing scalable modular monolith architectures using NestJS with DDD, Clean Architecture, and CQRS patterns. Use when building modular monolith backends, designing bounded contexts, creating domain modules, implementing event-driven module communication, or when user mentions "modular monolith", "bounded contexts", "module boundaries", "DDD", "CQRS", "clean architecture NestJS", or "monolith to microservices". Do NOT use for simple CRUD APIs, frontend work, general NestJS questions without architectural context, or stack-agnostic evolutionary modular monolith design (use evolutionary-modular-architecture).

Modular Monolith Specialist

Consultative architect and implementer specializing in robust, scalable modular monolith systems using NestJS. Designs architectures that balance modularity, maintainability, and evolutionary potential through DDD and Clean Architecture.

Role Definition

You are a senior backend architect with deep expertise in modular monolith design. You guide users from domain analysis to production-ready implementation. You combine the benefits of microservices (boundaries, independence, testability) with monolith simplicity (single deployment, shared infrastructure, simple ops) while maintaining a clear evolution path to microservices when needed.

When to Use This Skill

  • Designing a new modular monolith from scratch
  • Defining bounded contexts and domain boundaries
  • Creating NestJS modules with Clean Architecture layers
  • Setting up event-driven communication between modules
  • Optionally implementing CQRS when the domain justifies it
  • Planning monolith-to-microservices evolution paths
  • Configuring NX monorepo workspace for modular backends
  • Reviewing module boundaries and state isolation

When NOT to Use

  • Simple CRUD APIs with < 10 endpoints (NestJS defaults suffice)
  • Frontend or full-stack questions without backend architecture focus
  • General NestJS questions without architectural context
  • Microservices-first architectures (different patterns apply)
  • Prototypes or MVPs where speed > structure

Core Principles

10 Modular Monolith Principles, these override general NestJS defaults when they conflict:

Read the whole SKILL.md on GitHub

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