Posts

Showing posts with the label JavaScript backend

🇫🇷 Configuration de Node.js – Guide Complet pour DĂ©butants (De l’installation Ă  la première application)

Image
Configuration de Node.js – Guide Complet pour DĂ©butants (De l’installation Ă  la première application) Node.js est un environnement d’exĂ©cution qui permet d’exĂ©cuter JavaScript cĂ´tĂ© serveur . Il est très utilisĂ© pour le backend , les API REST , les microservices , les applications temps rĂ©el , ainsi que pour des outils modernes comme Angular, React et les workers Camunda 8 . Dans ce guide, vous apprendrez : ✔ Ce qu’est Node.js ✔ Comment installer Node.js (Windows / macOS / Linux) ✔ Comment vĂ©rifier l’installation ✔ CrĂ©er votre première application Node.js ✔ Comprendre npm ✔ Les bonnes pratiques de base ⭐ 1. Qu’est-ce que Node.js ? Node.js est : Un runtime JavaScript basĂ© sur le moteur V8 de Chrome Asynchrone et orientĂ© Ă©vĂ©nements LĂ©ger, rapide et hautement scalable Cas d’usage courants : API REST Backend for Frontend (BFF) Microservices Applications temps rĂ©el (chat, notifications) Workers Camunda 8 Scripts et outils CLI ⭐ 2. PrĂ©requis Avant de commencer, vous avez besoin de : Un or...

Node.js Setup – Complete Beginner Guide (From Installation to First App)

Image
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...