Your Complete Node.js Roadmap: Beginner to Pro

Learn backend development using Node.js—from fundamentals to building scalable APIs and real-world applications.

Basic overview

What is Node.js?

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Why Learn Node.js?

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Estimated time commitment for the roadmap.

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Phases of the Node.js Roadmap

Phase 1: Prerequisites (Optional but Recommended)

JavaScript (ES6+ features)

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Basic Understanding of HTTP & APIs

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Git & GitHub

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Basic Terminal/Command Line Usage

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Phase 2: Introduction to Node.js

What is Node.js?

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Use Cases of Node.js

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Node.js Architecture & Event Loop

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Installing Node.js and npm

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Running Your First Node.js File

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Phase 3: Core Modules

File System (fs)

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Path Module

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OS Module

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Events Module

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HTTP Module

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Process & Global Objects

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Phase 4: npm & External Packages

Introduction to npm

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Package.json and Package-lock.json

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Installing, Updating, and Removing Packages

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Using Popular Packages (e.g., lodash, dotenv)

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Phase 5: Asynchronous Programming

Callbacks

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Promises

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Async/Await

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Error Handling in Async Code

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Phase 6: Express.js Framework

Setting up Express

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Routing and Middleware

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Handling Requests and Responses

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Serving Static Files

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Using Templating Engines (e.g., EJS)

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Phase 7: Building RESTful APIs

CRUD Operations

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Handling Query Params & Route Params

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Request Validation

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REST API Best Practices

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Error & Exception Handling

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Phase 8: Working with Databases

MongoDB Introduction

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Connecting Node.js with MongoDB using Mongoose

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Creating Models & Schemas

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Performing CRUD with Mongoose

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Introduction to SQL Databases (Optional)

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Phase 9: Authentication & Authorization

User Registration & Login

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Hashing Passwords (bcrypt)

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JSON Web Tokens (JWT)

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Protecting Routes

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Role-Based Access Control

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Phase 10: Advanced Topics

Uploading Files (Multer)

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Sending Emails (nodemailer)

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Caching with Redis

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Rate Limiting & Security Middleware

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WebSockets & Real-time Apps (Socket.io)

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Introduction to Microservices (Optional)

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Phase 11: Testing & Debugging

Console & Debugging Tools

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Unit Testing with Mocha/Chai or Jest

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Postman for API Testing

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Test Driven Development (TDD) Basics

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Phase 12: Real-World Projects

Task Manager API

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Notes App with Authentication

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Blog Backend API

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Realtime Chat App with Socket.io

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Phase 12: Deployment

Preparing for Production

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Environment Variables & Configuration

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Hosting on Render, Vercel, or Heroku

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PM2 for Process Management

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Introduction to Docker (Optional)

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