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- What is Node.js?
- Key features and benefits
- Understanding the event-driven architecture
- Differences between Node.js and traditional web server models
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Setting Up Environment
- Installing Node.js
- Using npm (Node Package Manager)
- Setting up a basic project structure
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Core Modules
- Understanding and using core modules (e.g.,
http,fs,path,events) - Creating and exporting custom modules
- Understanding and using core modules (e.g.,
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Asynchronous Programming
- Callbacks
- Promises
- Async/Await
- Event loop and its working
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File System
- Reading from and writing to files
- Working with directories
- Streams and buffers
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Networking
- Creating HTTP servers and clients
- Understanding request and response objects
- Building RESTful APIs
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Express.js Framework
- Introduction to Express.js
- Setting up a server
- Middleware
- Routing
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Database Integration
- Connecting to databases (SQL and NoSQL)
- Executing CRUD operations
- Understanding ORM/ODM with examples (e.g., Sequelize, Mongoose)
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Debugging and Testing
- Debugging Node.js applications
- Writing and running tests (Unit tests, Integration tests)
- Using testing frameworks (e.g., Mocha, Jest)
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Managing Packages with npm
- Understanding
package.json - Installing, updating, and removing packages
- Managing local and global packages
- npm scripts
- Understanding
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Environment Variables
- Using environment variables for configuration
dotenvpackage for managing environment variables
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Error Handling and Logging
- Error handling patterns
- Creating custom error types
- Logging with Winston or Morgan
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Security Basics
- Common security considerations (e.g., SQL Injection, XSS, CSRF)
- Using helmet for securing Express apps
- Authentication and authorization
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Deployment
- Deploying Node.js applications to production
- Using PM2 for process management
- Introduction to Docker and containerization
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Performance Optimization
- Profiling and monitoring Node.js applications
- Understanding and avoiding common pitfalls
- Clustering and load balancing