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?

Why Learn Node.js?

Estimated time commitment for the roadmap.

Phases of the Node.js Roadmap

Phase 1: Prerequisites (Optional but Recommended)

JavaScript (ES6+ features)

Basic Understanding of HTTP & APIs

Git & GitHub

Basic Terminal/Command Line Usage

Phase 2: Introduction to Node.js

What is Node.js?

Use Cases of Node.js

Node.js Architecture & Event Loop

Installing Node.js and npm

Running Your First Node.js File

Phase 3: Core Modules

File System (fs)

Path Module

OS Module

Events Module

HTTP Module

Process & Global Objects

Phase 4: npm & External Packages

Introduction to npm

Package.json and Package-lock.json

Installing, Updating, and Removing Packages

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

Phase 5: Asynchronous Programming

Callbacks

Promises

Async/Await

Error Handling in Async Code

Phase 6: Express.js Framework

Setting up Express

Routing and Middleware

Handling Requests and Responses

Serving Static Files

Using Templating Engines (e.g., EJS)

Phase 7: Building RESTful APIs

CRUD Operations

Handling Query Params & Route Params

Request Validation

REST API Best Practices

Error & Exception Handling

Phase 8: Working with Databases

MongoDB Introduction

Connecting Node.js with MongoDB using Mongoose

Creating Models & Schemas

Performing CRUD with Mongoose

Introduction to SQL Databases (Optional)

Phase 9: Authentication & Authorization

User Registration & Login

Hashing Passwords (bcrypt)

JSON Web Tokens (JWT)

Protecting Routes

Role-Based Access Control

Phase 10: Advanced Topics

Uploading Files (Multer)

Sending Emails (nodemailer)

Caching with Redis

Rate Limiting & Security Middleware

WebSockets & Real-time Apps (Socket.io)

Introduction to Microservices (Optional)

Phase 11: Testing & Debugging

Console & Debugging Tools

Unit Testing with Mocha/Chai or Jest

Postman for API Testing

Test Driven Development (TDD) Basics

Phase 12: Real-World Projects

Task Manager API

Notes App with Authentication

Blog Backend API

Realtime Chat App with Socket.io

Phase 12: Deployment

Preparing for Production

Environment Variables & Configuration

Hosting on Render, Vercel, or Heroku

PM2 for Process Management

Introduction to Docker (Optional)

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