Developer Node Js

Course Rate: INR 8000.00

Duration: 2 Months

About the Course:

Node.js syllabus, covering both **beginner and advanced** topics. It’s structured to help you master **backend development** using Node.js.

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## **1. Introduction to Node.js**
- What is Node.js? Why use it?
- How Node.js Works (V8 Engine, Single-Threaded Event Loop)
- Node.js vs Traditional Backend Technologies
- Installing Node.js & Setting Up the Environment
- Running JavaScript in Node.js

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## **2. Core Concepts of Node.js**
- Global Objects (`__dirname`, `__filename`, `process`, `module`, `require`)
- REPL (Read-Eval-Print Loop)
- Node.js Modules System (CommonJS & ES Modules)
- Built-in Modules (fs, path, os, events, http, etc.)
- Working with File System (fs Module)
- Buffer & Streams (Readable, Writable, Duplex, Transform)

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## **3. Asynchronous Programming in Node.js**
- Callbacks & Callback Hell
- Promises (`then`, `catch`)
- Async/Await
- Event Loop & Non-Blocking I/O
- Process.nextTick() & setImmediate()
- Using `fs.promises` for Async File Operations

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## **4. HTTP & Web Servers with Node.js**
- Creating a Simple HTTP Server (`http` Module)
- Handling Requests & Responses
- Parsing Query Strings & Request Body
- Routing in Node.js (Manual Routing)
- Serving Static Files

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## **5. Express.js Framework**
- Introduction to Express.js
- Setting Up Express Application
- Middleware in Express.js
- Routing in Express (`GET`, `POST`, `PUT`, `DELETE`)
- Handling Form Data (`body-parser`, `multer`)
- Serving Static Files (`express.static`)
- Error Handling in Express.js

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## **6. RESTful APIs with Express.js**
- Creating a RESTful API with Express
- Handling HTTP Methods (GET, POST, PUT, DELETE)
- CRUD Operations with MongoDB & Express
- API Versioning & Documentation (Swagger)
- Authentication & Authorization (JWT, OAuth)
- Middleware for Security (Helmet, CORS, Rate Limiting)

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## **7. Databases in Node.js**
### **MongoDB & Mongoose**
- Introduction to NoSQL Databases
- Connecting Node.js to MongoDB
- CRUD Operations with MongoDB
- Mongoose Models & Schema Validation
- Relationships in MongoDB (One-to-One, One-to-Many)

### **SQL Databases (MySQL/PostgreSQL)**
- Introduction to SQL Databases
- Connecting Node.js to MySQL/PostgreSQL
- Performing CRUD Operations with Sequelize/Knex.js

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## **8. Authentication & Security**
- User Authentication with JWT (JSON Web Tokens)
- OAuth & Social Logins (Google, Facebook)
- Hashing Passwords with bcrypt
- Role-Based Access Control (RBAC)
- Securing APIs (CORS, Rate Limiting, Helmet, CSRF)

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## **9. WebSockets & Real-Time Communication**
- Introduction to WebSockets
- Using Socket.io for Real-Time Apps
- Implementing Chat Application with WebSockets
- Broadcasting Messages to Multiple Clients
- WebSockets vs HTTP Polling

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## **10. Background Jobs & Task Scheduling**
- Understanding Background Processing
- Using Node.js with Redis & Bull for Job Queues
- Scheduling Tasks with node-cron
- Email Notifications & SMS Integration

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## **11. Microservices & Scalable Architecture**
- What are Microservices?
- Building Microservices with Node.js
- Inter-Process Communication (gRPC, RabbitMQ, Kafka)
- API Gateway & Service Discovery (Ocelot, Nginx)
- Containerization with Docker & Kubernetes

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## **12. Unit Testing & Debugging**
- Writing Unit Tests with Jest/Mocha
- Integration Testing with Supertest
- Debugging in Node.js (Node Inspector, Chrome DevTools)
- Logging with Winston & Morgan

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## **13. Performance Optimization & Best Practices**
- Profiling & Debugging Performance Issues
- Caching with Redis
- Load Balancing & Clustering
- Best Practices for Writing Clean & Efficient Node.js Code

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## **14. DevOps & Deployment**
- Deploying Node.js Applications on AWS, DigitalOcean, Heroku, and Vercel
- CI/CD for Node.js Applications (GitHub Actions, Jenkins)
- Monitoring & Logging (PM2, New Relic)
- Load Testing & Performance Monitoring

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## **15. Advanced Topics & Future Trends**
- GraphQL with Node.js (Apollo Server)
- Using TypeScript with Node.js
- Deno vs Node.js
- WebAssembly with Node.js