NodeJS

Backend with NodeJS - Road_Map

  

Section 1: Introduction to Backend and Node.js
  1. Prerequisites#ClickME
  2. What Is Backend & Client Server Architecture?
  3. CLI vs GUI
  4. What Is Node.js and What Is It Used For?
  5. Installing Node.js
  6. Running Our First Node.js Code
  7. Why Do We Need Node.js and How Is It Different From JavaScript in Browser?
  8. A Brief History of Node.js
Section 2: Basics of Terminal
  1. Introduction to Terminal and Shell
  2. Basic Shell Commands (echo, pwd, whoami)
  3. Navigating the File System (cd)
  4. Listing Directory Contents (ls)
  5. Creating, Copying, Moving, and Deleting Files and Directories (touch, mkdir, cp, mv, rm, rmdir)
  6. Viewing and Editing Files with Commands (cat, nano, vim)
  7. What Is Prompt in Terminal?
  8. Configuring Our Terminal Using .bashrc File
  9. Using Aliases for Command Shortcuts (alias)
Section 3: Basics of OS
  1. What Is CPU, Processor, and Core?
  2. What Is OS and Kernel?
  3. What Is a Process?
  4. What Is Thread, Concurrency, and Parallelism?
  5. Can a Process Exist Without a Thread?
  6. Debugging Worker Threads
  7. What Is an Environment Variable?
  8. Setting and Using Environment Variables
  9. Installing Windows Subsystem for Linux (WSL)
  10. Understanding the Path System: Windows vs. Linux Explained
  11. What are Executable Files?
  12. Managing File Permissions
  13. How Commands Get Executed?
  14. Important Methods and Properties of The Process Object
Section 4: Fundamentals of Node.js
  1. Module System in Node.js
  2. Common JS
  3. ES6 Modules
  4. What Is the Difference Between CJS and MJS?
  5. Why Different Module Systems?
  6. Different Types of Modules
  7. User Modules
  8. Native Modules
  9. NPM and NPM Modules
  10. What Is package.json
  11. Module Resolution
  12. Global vs Local Modules
  13. fs Module
  14. Character Encodings
  15. Making Our First CLI App
  16. Creating and Publishing NPM Modules
Section 5: EventsEmitters, Buffers, and Streams
  1. Introduction to Event-Driven Architecture
  2. The EventEmitter Class
  3. Creating and Emitting Events
  4. EventEmitter Methods
  5. Introduction to Buffers
  6. Creating and Allocating Buffers
  7. Reading and Writing Data in Buffers
  8. Manipulating Buffers
  9. Introduction to Streams
  10. Working with Readable Streams
  11. Working with Writable Streams
  12. Piping and Chaining Streams
  13. Transform Streams
  14. Handling Stream Errors
  15. Real-World Examples of Streams
Section 6: Basics of Computer Networking
  1. Introduction to Computer Networking
  2. Overview of Network Layers (OSI vs. TCP/IP)
  3. What Is MAC Address?
  4. What Is IP Address? (IPv4 and IPv6)
  5. TCP/IP Model and Protocol Suite
  6. TCP vs. UDP Protocol
  7. Sockets and Ports
  8. Port Numbers
  9. DNS (Domain Name System)
  10. HTTP/HTTPS Protocols
Section 7: Networking with Core Node.js Modules
  1. Overview of Networking Capabilities in Node.js
  2. Core Networking Modules of Node.js and Their Importance
  3. Introduction to dgram Module
  4. Setting Up a Basic UDP Server
  5. Understanding the Connectionless Nature of UDP
  6. Sending and Receiving Datagrams
  7. Introduction to net Module
  8. Setting Up a Basic TCP Server
  9. Handling Multiple Client Connections
  10. Using Sockets and Understanding Their Role in TCP Communication
  11. Making Chat App Using TCP
  12. Practical Use Cases for UDP vs. TCP
  13. Introduction to http Module
  14. Setting Up a Basic HTTP Server
  15. Understanding Request and Response Objects
  16. Handling Different HTTP Methods (GET, POST, etc.)
  17. Parsing URL and Query Parameters
  18. Serving Static Files
  19. Handling File Uploads in Node.js
  20. Creating a REST API Using http Module
  21. A Brief Introduction of https Module
Section 8: Building RESTful CRUD APIs with Express.js
  1. What Is Express.js and Why Use It?
  2. Setting Up an Express.js Project
  3. Routing in Express.js
  4. Defining Routes and Route Parameters
  5. Handling Different HTTP Methods (GET, POST, PUT, DELETE)
  6. Handling Form Submissions
  7. Handling Multiple File Uploads
  8. Storing and Accessing Uploaded Files
  9. Organizing Routes with express.Router
  10. Handling Dynamic Routes and Query Parameters
  11. Middleware in Express.js
  12. What Is Middleware and How Does It Work?
  13. Creating and Using Custom Middleware
  14. Third-Party Middleware (e.g., body-parser, cors)
  15. Error-Handling Middleware
  16. Introduction to REST API Principles
  17. Key Principles and Constraints of REST
  18. Designing RESTful Routes and Endpoints
  19. HTTP Methods and Status Codes in RESTful APIs
  20. Making Our APIs RESTful
Section 9: Mastering Database Management with MongoDB and Mongoose
  1. What Is a Database? Why Do We Need Databases?
  2. Types of Databases: Relational (SQL) vs. Non-Relational (NoSQL)
  3. Overview of Database Management Systems (DBMS)
  4. Introduction to MongoDB
  5. Why Use NoSQL Databases?
  6. Setting Up MongoDB
  7. Working with MongoDB Library
  8. Getting Started with Mongoose (ORM)
  9. Connecting to a MongoDB Database with Mongoose
  10. Defining Mongoose Models and Schemas
  11. Understanding Schemas and Data Types in Mongoose
  12. Creating and Using Mongoose Models
  13. CRUD Operations with Mongoose
  14. Creating Documents in MongoDB with Mongoose
  15. Reading and Querying Data from MongoDB
  16. Updating Documents in MongoDB with Mongoose
  17. Deleting Documents from MongoDB
  18. Filtering and Sorting Data
  19. Populating References and Relationships
  20. Validation and Middleware in Mongoose
  21. Defining and Using Mongoose Schema Validation
  22. Error Handling in Mongoose
  23. Deploying MongoDB Applications
Section 10: Improving Our Codebase with MVC Architecture
  1. Introduction to MVC Architecture
  2. What Is MVC (Model-View-Controller)?
  3. Benefits of Using MVC in Web Applications
  4. Implementing MVC Architecture in Our Project
  5. A Glance at Templating Engines (e.g., EJS, Pug, etc.)
  6. Making Our Own Server-Side Rendering Solution
Section 11: Session Management, Login, and Authentication
  1. Understanding Sessions and Cookies
  2. Using Cookies for Persistent Sessions
  3. Basics of Authentication in Web Applications
  4. Creating a Login System with Session-Based Authentication
  5. Protecting Routes with Authentication Middleware
  6. Implementing Logout Functionality
  7. Introduction to Passport.js
  8. Setting Up Passport.js with Express.js
  9. Implementing Local Authentication Strategies
  10. Using Passport.js with Social Login (OAuth)
  11. OAuth and Third-Party Authentication
  12. Overview of OAuth and Its Flow
  13. Implementing Google, GitHub, and Other Third-Party Logins
  14. Managing Tokens and User Sessions
  15. Best Practices for Securing OAuth Integrations
Section 12: Securing Our Node.js Application
  1. Overview of Common Security Threats in Web Applications
  2. Importance of Security in Backend Development
  3. Protecting Against Common Vulnerabilities
  4. Cross-Site Scripting (XSS)
  5. Understanding XSS Attacks
  6. Preventing XSS with Proper Input Sanitization and Escaping
  7. Cross-Site Request Forgery (CSRF)
  8. Understanding CSRF Attacks
  9. Implementing CSRF Protection in Express.js
  10. SQL Injection
  11. Understanding SQL Injection Attacks
  12. Preventing SQL Injection with Parameterized Queries and ORM/ODM Practices
  13. Protecting Your APIs with Rate Limiting and Throttling
  14. Using Environment Variables for Sensitive Configuration
Section 13: Deploying Node.js Applications and CI/CD
  1. Understanding the Deployment Process
  2. Setting Up a Production Environment
  3. Configuring Environment Variables
  4. Managing Secrets and Sensitive Data
  5. Basic Server Setup for Node.js
  6. Installing Node.js and npm on a Server
  7. Starting and Managing Node.js Processes with PM2
  8. Deploying to Cloud Platforms
  9. Deploying a Node.js App to AWS (EC2) and DigitalOcean
  10. Introduction to CI/CD
  11. Understanding Continuous Integration and Continuous Deployment
  12. Basic CI/CD Pipeline Setup
Section 14: Node.js Under the Hood
  1. Overview of Node.js Architecture
  2. Understanding the V8 JavaScript Engine
  3. Exploring the Node.js Source Code Repository
  4. What Is libuv and Its Role in Node.js?
  5. How libuv Handles Asynchronous I/O
  6. Exploring the Thread Pool in libuv
  7. What Is the Event Loop, and Why Is It Important?
  8. Phases of the Event Loop
  9. How Node.js Interacts with C++ Code
  10. Garbage Collection in V8
Section 15: Working with Child Processes in Node.js
  1. Introduction to Child Processes in Node.js
  2. Creating and Managing Child Processes
  3. Using child_process.spawn() and child_process.exec()
  4. Key Differences and Use Cases for spawn and exec
  5. Communication Between Parent and Child Processes
  6. Sending and Receiving Messages
  7. Handling Standard Input/Output (stdin, stdout, stderr)
  8. Handling Errors and Exits in Child Processes
  9. Managing Errors in Child Processes
  10. Implementing Retries and Handling Process Exits
  11. Real-World Use Cases for Child Processes
  12. Using Child Processes for CPU-Intensive Tasks
Section 16: Scaling Node.js Applications with Clustering
  1. Introduction to Clustering in Node.js
  2. Understanding the Need for Clustering
  3. How Clustering Works in Node.js
  4. Creating a Basic Cluster
  5. Using the cluster Module to Create Worker Processes
  6. Handling Worker Processes with the cluster.fork() Method
  7. Load Balancing with Clusters
  8. How Node.js Distributes Requests Across Worker Processes
  9. Monitoring and Restarting Failed Workers
  10. Scaling Beyond a Single Machine
  11. Using Clustering in Conjunction with Load Balancers (e.g., Nginx)
  12. Optimizing Performance with Clustering
  13. Best Practices for Scaling Node.js Applications Using Clustering
  14. Monitoring Cluster Performance
Section 17: Compression in Web Applications
  1. Understanding the Need for Compression
  2. Overview of Common Compression Algorithms (Gzip, Brotli, Deflate)
  3. Choosing the Right Compression Algorithm for Your Application
  4. Using the zlib Module for Compression
  5. Compressing and Decompressing Data Streams
  6. Benefits of Compressing HTTP Responses
  7. Impact of Compression on CPU and I/O Performance
  8. Balancing Compression Efficiency with Performance
Section 18: Multithreading in Node.js
  1. Introduction to Multithreading in Node.js
  2. Understanding Single-Threaded vs. Multi-Threaded Environments
  3. How Node.js Handles Concurrency with the Event Loop
  4. The Role of Worker Threads in Node.js
  5. Introduction to the worker_threads Module
  6. When to Use Worker Threads in Node.js
  7. Creating and Managing Worker Threads
  8. Creating Worker Threads Using the Worker Class
  9. Passing Data Between the Main Thread and Worker Threads
  10. Handling Messages and Events Between Threads
  11. Sharing Memory Between Threads
  12. Understanding SharedArrayBuffer and Atomics in Node.js
  13. Managing Shared Memory for Performance-Critical Applications
  14. Impact of Multithreading on Application Performance
  15. Optimizing Thread Usage for Maximum Efficiency
  16. Combining Worker Threads with Other Concurrency Models (e.g., Clustering)
Section 19: Cryptography in Node.js
  1. Introduction to Cryptography in Node.js
  2. Overview of the crypto Module in Node.js
  3. Hashing Data
  4. Creating Hashes Using Algorithms Like SHA-256
  5. Salting and Hashing Passwords for Secure Storage
  6. Encryption and Decryption
  7. Symmetric Encryption Using AES
  8. Asymmetric Encryption with RSA
  9. Encrypting and Decrypting Data with the crypto Module
  10. Generating and Managing Keys
  11. Generating Random Keys and Initialization Vectors (IVs)
  12. Storing and Retrieving Encryption Keys Securely
  13. Digital Signatures and Verification
  14. Creating Digital Signatures
  15. Verifying Digital Signatures
  16. Implementing HTTPS in Node.js
  17. Setting Up HTTPS Servers Using the https Module
  18. Using Certificates for Secure Data Transmission
  19. Best Practices for Cryptography in Node.js
  20. Common Pitfalls and How to Avoid Them
  21. Ensuring Secure Key Management
Section 20: Real-Time Communication with WebSockets
  1. Introduction to WebSockets
  2. Understanding the WebSocket Protocol
  3. Use Cases for WebSockets in Modern Applications
  4. Setting Up WebSockets in Node.js
  5. Introduction to the ws Module
  6. Installing and Configuring the ws Module
  7. Creating a WebSocket Server
  8. Setting Up a Basic WebSocket Server in Node.js
  9. Handling Client Connections and Messages
  10. Working with WebSocket Clients
  11. Creating a WebSocket Client in Node.js
  12. Sending and Receiving Messages Between Server and Client
  13. Broadcasting Messages to Multiple Clients
  14. Implementing Message Broadcasting in WebSocket Servers
  15. Handling Multiple Client Connections
  16. Understanding the Security Risks of WebSockets
  17. Implementing Authentication and Secure Connections with WebSockets
  18. Building a Real-Time Chat Application
  19. Implementing Real-Time Updates in a Web Application
  20. Best Practices for WebSockets in Production
  21. Handling Reconnections and Connection Failures
  22. Optimizing WebSocket Performance
Capstone Project: Building website from Scratch
  1. Introduction to the Course Hosting Platform Project
  2. Project Overview and Requirements
  3. Setting Up the Development Environment
  4. Building the User Authentication and Authorization System
  5. Implementing User Registration and Login
  6. Role-Based Access Control (Students vs. Creators)
  7. Creating the Course Management System
  8. Designing the Database Schema for Courses
  9. Implementing Creator Dashboards for Course Management
  10. Adding Course Content (Videos, Documents, Pricing)
  11. Course Categorization and Tagging
  12. Video Processing with ffmpeg
  13. Developing the Student Dashboard
  14. Implementing Course Purchase and Enrollment
  15. Tracking Student Progress in Courses
  16. Managing Student Profiles and Payment Methods
  17. Integrating Payment Systems
  18. Setting Up Payment Gateways (e.g., RazorPay, Stripe, PayPal)
  19. Handling Transactions and Purchase History
  20. Delivering Course Content Securely
  21. Implementing Video Streaming and Content Security, DRM Protection
  22. Providing Downloadable Resources
  23. Building the Admin Panel
  24. Managing Users, Courses, and Transactions
  25. Monitoring Platform Analytics and Reports
  26. Search and Filtering Features
  27. Implementing Search Functionality for Courses
  28. Adding Filters by Category, Price, and Popularity
  29. Implementing Coupon Codes Functionality
  30. Adding Notifications and Alerts
  31. Implementing Email and In-App Notifications
  32. Managing Course Updates, New Courses, and Promotions
  33. Optimizing Performance and Scalability
  34. Ensuring the Platform Can Handle Large Numbers of Users
  35. Implementing Caching, Load Balancing, and Clustering
  36. Deploying the Platform to Production
  37. Deploying on Cloud Platforms (AWS)
  38. Managing Environment Variables and Secrets in Production
  39. Final Project Review and Launch Preparation
  40. Preparing the Platform for Launch
  41. Post-Launch Monitoring and Maintenance

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