Basics

Introduction to Node.js

• What is Node.js?
• Installing Node.js
• Setting up a Node.js project

Core Concepts

• Understanding the event-driven architecture
• Node.js runtime and the event loop
• Modules and require() function

Basic Node.js Applications

• Creating a simple HTTP server
• Handling requests and responses
• Reading and writing files

Intermediate

Asynchronous Programming

• Callbacks and error handling
• Promises and async/await
• Event emitters and listeners

Express.js Framework

• Introduction to Express.js
• Setting up Express.js applications
• Routing and middleware
• Handling HTTP methods (GET, POST, PUT, DELETE)

Working with Databases

• Connecting to MongoDB with Mongoose
• CRUD operations with MongoDB
• Connecting to SQL databases with Sequelize
• CRUD operations with SQL databases

Testing and Debugging

• Unit testing with Mocha and Chai
• Integration testing with Supertest
• Debugging techniques and tools

Advanced

Performance Optimization

• Profiling and monitoring Node.js applications
• Optimizing event loop performance
• Scaling applications with clusters

Security

• Securing Express.js applications
• Authentication and authorization strategies
• Preventing common vulnerabilities (e.g., SQL Injection, XSS)

Advanced Node.js Features

• Working with Streams
• Creating and managing child processes
• Using WebSockets for real-time communication

Deployment and DevOps

• Deploying Node.js applications to cloud services (e.g., AWS, Heroku)
• Setting up CI/CD pipelines
• Containerizing applications with Docker