1. Basics
1.1 What is Node.js?
1.2 Setting up Node.js
1.3 Node.js Architecture
1.4 Node.js Modules
2. Core Modules
2.1 File System (fs)
2.2 HTTP
2.3 Path
2.4 Events
2.5 Process
3. Package Management
3.1 npm
3.2 package.json
3.3 Installing Packages
3.4 Versioning
4. Asynchronous Programming
4.1 Callbacks
4.2 Promises
4.3 async/await
4.4 Event Loop
5. Web Development
5.1 HTTP Server
5.2 Express Framework
5.3 Middleware
5.4 Routing
5.5 Template Engines
6. APIs
6.1 RESTful APIs
6.2 GraphQL
6.3 WebSockets
7. Database Integration
7.1 MongoDB
7.2 MySQL
7.3 PostgreSQL
7.4 Redis
8. Testing
8.1 Unit Testing with Mocha/Chai
8.2 Integration Testing
8.3 End-to-End Testing
9. Security
9.1 Authentication
9.2 Authorization
9.3 Data Validation
9.4 Secure Coding Practices
10. Performance Optimization
10.1 Clustering
10.2 Load Balancing
10.3 Caching
10.4 Profiling
11. Deployment
11.1 Deployment Strategies
11.2 CI/CD Pipelines
11.3 Docker
11.4 Kubernetes