NODEJS-Playground 📗

A personal playground for learning and practicing Node.js and backend development. 🌱

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🔋 Contents

This repository contains structured notes, examples, experiments, and hands-on implementations covering Node.js, backend development, databases, system design, and DevOps.

🧠 Core Node.js

• 📦 Module System
• 📍 Path Module
• 📂 File System (fs)
• 🌐 HTTP Module
• 🎯 EventEmitter
• 🔄 Event Loop
• 🧱 Buffers
• 🌊 Streams
• 📞 Callbacks
• 🤝 Promises
• ⚡ Async/Await

🛠️ Backend Development

• 🚂 Express.js
• 🎨 EJS Templating
• 🔗 REST APIs
• 🔐 Authentication & Authorization
• 🖼️ File & Image Uploads
• 🟦 TypeScript with Node.js

🗄️ Databases & Caching

• 🍃 MongoDB
• 🧩 Mongoose
• 🐘 PostgreSQL
• 🔷 Prisma
• ⚡ Redis

🔌 Real-Time & APIs

• 📡 WebSockets with Socket.io
• 🕸️ GraphQL with Apollo

🐳 DevOps

• 🐋 Docker
• 🐧 Linux

🏗️ System Design

• 🌍 DNS
• 📈 Backend Scaling
• 🔥 Hot Partitions
• 🌸 Bloom Filter

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🎯 Purpose

This repository helps me build a strong practical foundation in Node.js and backend development through learning, experimentation, and hands-on practice.

It serves as a learning journal 📒 and reference playground 🛠️ for future projects and revision.

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📒 Notes

Well-structured notes for quick reference and revision across different backend engineering topics.

📗 Node.js

• Node.js Module System
• Path Module
• fs Module
• http Module
• Single Image Upload

🐳 DevOps

• Docker Introduction
• Docker MERN Setup
• Docker Production Images
• Linux Basics

🏗️ System Design

• DNS & Backend Scaling
• Hot Partitions
• Bloom Filter

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🤸 Installation

git clone https://github.com/soumadip-dev/NodeJS-Playground.git
cd NodeJS-Playground

# Navigate to a specific project folder
cd 08_Express

# Install dependencies
npm install