| File Name: | Udemy – Mastering Node.js: From Beginner to Backend Pro |
| Content Source: | https://www.udemy.com/course/mastering-nodejs-from-beginner-to-backend-pro/ |
| Genre / Category: | Other Tutorials |
| File Size : | 637 MB |
| Publisher: | udemy |
| Updated and Published: | September 03, 2024 |
1. NodeJS Architecture
- Event-Driven Architecture: Understanding how NodeJS handles asynchronous operations using an event loop.
- Single Threaded Nature: Learn how NodeJS manages multiple tasks concurrently despite being single-threaded.
- Non-blocking I/O: How NodeJS uses non-blocking I/O operations to handle multiple requests efficiently.
2. Core Modules
- HTTP Module: Creating HTTP servers, handling requests and responses.
- File System (fs) Module: Reading and writing files, managing directories.
- Path Module: Working with file and directory paths.
- Events Module: Creating and handling custom events.
- Stream Module: Handling large data sets by processing data in chunks.
- OS Module: Interacting with the operating system, gathering system information.
- Util Module: Utility functions, including deprecating methods and debugging.
3. npm (Node Package Manager)
- Package Management: Installing, updating, and removing packages.
- Creating and Publishing Packages: Building your own NodeJS packages and publishing them to npm.
- Semantic Versioning: Understanding versioning in npm and how to use it.
4. Asynchronous Programming
- Callbacks: The foundation of async programming in NodeJS.
- Promises: Handling asynchronous operations more elegantly with .then() and .catch().
- Async/Await: Writing asynchronous code that looks synchronous for better readability.
- Event Loop: In-depth understanding of how the event loop processes asynchronous callbacks.
- Timers: Using setTimeout, setInterval, and setImmediate.
5. Express.js Framework
- Setting Up a Server: Creating a basic server with Express.
- Routing: Defining routes for handling HTTP requests.
- Middleware: Implementing and understanding the role of middleware in request processing.
- Error Handling: Centralized error handling in Express applications.
- Template Engines: Using engines like EJS, Pug, or Handlebars to render dynamic content.
6. Web APIs and RESTful Services
- Creating REST APIs: Building RESTful services with Express.js or other frameworks.
- CRUD Operations: Implementing Create, Read, Update, Delete operations in your API.
- Authentication: Securing APIs with JWT (JSON Web Tokens), OAuth, or other authentication methods.
- API Documentation: Using tools like Swagger to document your API.
7. Database Integration
- SQL Databases: Using libraries like pg for PostgreSQL or mysql2 for MySQL.
- NoSQL Databases: Integrating with MongoDB using Mongoose.
- ORMs: Working with ORMs like Sequelize for SQL databases.
- Database Migrations: Managing database schema changes with migration tools.
8. Real-time Applications
- WebSockets: Using libraries like socketIO to build real-time applications like chat apps.
- Server-Sent Events (SSE): Implementing unidirectional server-to-client updates.
- Polling: Understanding long polling as an alternative to WebSockets.
9. Security
- Data Validation: Ensuring incoming data is valid and secure using libraries like Joi.
- Input Sanitization: Preventing injection attacks by sanitizing input.
- Authentication and Authorization: Implementing secure authentication mechanisms.
- HTTPS: Securing your NodeJS server with HTTPS.
- Rate Limiting: Protecting your APIs from brute-force attacks with rate limiting.
10. Testing
- Unit Testing: Writing tests for individual units of code using frameworks like Mocha, Jest, or Jasmine.
- Integration Testing: Testing the interaction between different parts of your application.
- Test-Driven Development (TDD): Writing tests before code to ensure functionality.
- Mocking and Stubbing: Simulating external services or functions in tests.
11. Deployment and Scaling
- Environment Management: Using .env files and environment variables for configuration.
- Process Management: Using PM2 or forever to manage NodeJS processes in production.
- Load Balancing: Distributing traffic across multiple instances of your application.
- Scaling: Horizontal and vertical scaling techniques for NodeJS applications.
- Containerization: Using Docker to containerize your NodeJS application.
- CI/CD Pipelines: Automating the deployment process using tools like Jenkins, GitHub Actions, or CircleCI.
12. Working with Streams and Buffers
- Readable and Writable Streams: Understanding how to process data piece by piece.
- Pipes: Connecting streams together to pass data from one stream to another.
- Transform Streams: Manipulating data as it is read or written.
- Buffers: Handling binary data directly in NodeJS.
13. Error Handling and Debugging
- Error Handling Best Practices: Using try…catch and centralized error handling middleware.
- Logging: Implementing logging using libraries like Winston or Bunyan.
- Debugging: Using NodeJS built-in debugger or Chrome DevTools for debugging.
14. Build Tools and Task Runners
- Gulp: Automating tasks like minification, compilation, and linting.
- Webpack: Module bundler for handling project assets.
- ESLint: Enforcing coding standards and style guidelines.
15. Microservices and API Gateways
- Microservice Architecture: Designing and implementing microservices with NodeJS.
- API Gateway: Managing multiple microservices behind a unified interface using tools like YARP or NGINX.
- Inter-service Communication: Using protocols like HTTP, gRPC, or message queues.
16. Performance Optimization
- Profiling: Using tools like NodeJS Profiler and Clinic.js to identify performance bottlenecks.
- Caching: Implementing caching strategies with Redis or in-memory caches.
- Clustering: Utilizing NodeJS’s clustering module to take advantage of multi-core systems.
17. Advanced Topics
- Child Processes: Running multiple processes from a single NodeJS script.
- Worker Threads: Leveraging multi-threading in NodeJS for CPU-intensive tasks.
- Serverless: Deploying NodeJS applications in a serverless architecture using AWS Lambda, Google Cloud Functions, etc.
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