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nodejs-backend-patterns

Provide production-ready Node.js backend patterns for REST APIs, GraphQL, and microservices.

3|3|Updated Jun 1, 2026
Search Tags:#authorization#authentication#backend#patterns#nodejs#express#fastify
One-click install
npx skills add https://github.com/lawalletio/lawallet-nwc --skill nodejs-backend-patterns-lawalletio
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: nodejs-backend-patterns
Source: https://github.com/lawalletio/lawallet-nwc/tree/main/.agents/skills/nodejs-backend-patterns
Command: npx skills add https://github.com/lawalletio/lawallet-nwc --skill nodejs-backend-patterns-lawalletio

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Building scalable, maintainable Node.js backends requires repeating boilerplate patterns for architecture, wiring dependencies, error handling, authentication, and data access. This Skill provides production-ready patterns and examples to accelerate development while enforcing best practices.

Core Features & Use Cases

  • Layered architecture with controllers, services, repositories, and a guidance for dependency injection
  • Middleware patterns for authentication, authorization, validation, rate limiting, and centralized error handling
  • Database integration patterns for PostgreSQL and MongoDB, including transactions, connection management, and migrations
  • Use Case: Migrate a monolithic API to microservices with secure, testable code and clear module boundaries

Quick Start

Create a new Node.js backend project using Express or Fastify, wire a DI container, and configure a PostgreSQL connection.

Frequently Asked Questions about nodejs-backend-patterns

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

FAQPage Schema
How do I structure a scalable Node.js backend with layered architecture?▼

A scalable Node.js backend uses a layered architecture with controllers, services, and repositories, guided by dependency injection to separate concerns and enforce maintainable module boundaries.

What's the best way to implement JWT-based authentication in Express or Fastify?▼

JWT-based authentication in Express or Fastify is implemented using middleware patterns that handle token validation, authorization, and centralized error handling for secure API endpoints.

How do I handle database transactions and connection management in Node.js?▼

Node.js database integration patterns handle connection management and transactions for PostgreSQL and MongoDB, including executing migrations to maintain data consistency.

Can I use these Node.js backend patterns to migrate a monolithic API to microservices?▼

These Node.js backend patterns apply to migrating monolithic APIs to microservices by establishing clear module boundaries, testable code, and secure service communication.

What middleware patterns are needed for API rate limiting and validation in Node.js?▼

Node.js API rate limiting and validation rely on middleware patterns that intercept requests to enforce usage limits and validate payloads before reaching the controller layer.

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