Node.js Setup – Complete Beginner Guide (From Installation to First App)
Node.js Setup – Complete Beginner Guide (From Installation to First App) Node.js is a powerful runtime that allows you to run JavaScript on the server side . It is widely used for backend development , REST APIs , microservices , real-time applications , and tools like Angular, React, Camunda workers, and automation scripts . This guide explains: ✔ What Node.js is ✔ How to install Node.js (Windows / macOS / Linux) ✔ How to verify installation ✔ Your first Node.js program ✔ npm basics ✔ Project structure and best practices ⭐ 1. What is Node.js? Node.js is: A JavaScript runtime built on Chrome’s V8 engine Asynchronous and event-driven Lightweight and highly scalable Common use cases: REST APIs Backend for frontend (BFF) Microservices Real-time apps (chat, notifications) Camunda 8 Job Workers CLI tools ⭐ 2. Prerequisites Before starting, you need: A computer (Windows / macOS / Linux) Internet connection Basic knowledge of JavaScript A code editor (VS Code recommended) ⭐ 3. Install Node...