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Udemy - Mastering Node.js: From Beginner to Backend Pro

Udemy - Mastering Node.js: From Beginner to Backend Pro

Language: English (US)

Your Step-by-Step Guide to Becoming a Node.js Expert

https://www.udemy.com/course/mastering-nodejs-from-beginner-to-backend-pro/


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.

Udemy - Mastering Node.js: From Beginner to Backend Pro

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