express-rest-api

SKILL.md

Production-ready REST API development with Express.js, covering routing, middleware, validation, and error handling.

Supports standard HTTP methods (GET, POST, PUT, DELETE) with RESTful route design patterns and centralized error handling

Includes middleware patterns for authentication, validation, CORS, security headers, and request logging

Provides structured project organization (controllers, routes, services, models) and common response formats with pagination support

Covers essential packages like Helmet for security, Morgan for logging, and express-validator for input validation

Express REST API Skill

Master building robust, scalable REST APIs with Express.js, the de-facto standard for Node.js web frameworks.

Quick Start

Build a basic Express API in 5 steps:

Setup Express - npm install express

Create Routes - Define GET, POST, PUT, DELETE endpoints

Add Middleware - JSON parsing, CORS, security headers

Handle Errors - Centralized error handling

Test & Deploy - Use Postman/Insomnia, deploy to cloud

Core Concepts

1. Express Application Structure

const express = require('express');
const app = express();