Frequently Asked Questions

Module 1: Introduction to Backend Development and Node.js

Overview of backend development
Importance of backend in web development Backend technologies and their role
What is Node.js?
Installation and setup
Understanding Node.js architecture
JavaScript fundamentals review
Node.js modules and CommonJS syntax
Asynchronous programming with callbacks

Module 2: Building Web Servers with Node.js

Defining routes in Node.js
Introduction to package.json and npm packages.
HTTP request and response.
Handling different HTTP methods (GET, POST, PUT, DELETE)
Parsing request parameters and payloads
Static file hosting, server side rendering, Web APIs
Passing data from backend to frontend

Module 3: Building Web Servers with Express.js

What is Express.js?
Why use Express.js for web development?
Installing Express.js and setting up a project
Defining routes in Express.js
Handling different HTTP methods (GET, POST, PUT, DELETE)
Parsing request parameters and payloads
API Endpoints
Understanding middleware concept
Implementing custom middleware
Using third-party middleware (body-parser, morgan, etc.)
Integrating template engines like EJS or Pug
Rendering dynamic content in views
Passing data from backend to frontend

Module 4: Building RESTful APIs

What are RESTful APIs?
Understanding RESTful principles (resources, methods, status codes, etc.)
Benefits of RESTful architecture
Designing API endpoints
Implementing CRUD operations for resources
Handling request validation and error responses
Securing APIs with middleware

Module 5: Working with MongoDB

What is MongoDB?
Comparing MongoDB with SQL databases
Installing and setting up MongoDB
Performing CRUD operations (Create, Read, Update, Delete)
Using MongoDB shell for command line interface
Using MongoDB Compass for visual interaction
Introduction to MongoDB Atlas for cloud-based database hosting
Introduction to Mongoose
Connecting Node.js to MongoDB using Mongoose
Defining models and schemas in Mongoose
Performing advanced queries (aggregation, indexing, etc.)
Working with embedded documents and arrays

Module 6: Testing and Deployment

Introduction to unit testing
Setting up Jest for testing Node.js applications
Writing unit tests for backend components
Overview of integration testing
Using SuperTest for testing Express.js APIs
Writing integration tests for API endpoints
Introduction to dotenv
Implementation of dotenv package for port number, password etc
Choosing a deployment platform (Heroku, AWS, etc.)
Preparing the application for production
Deploying the backend application

Module 7: Best Practices and Advanced Topics

Implementing error handling middleware
Logging best practices with Winston or similar libraries
Handling uncaught exceptions and promise rejections
Identifying performance bottlenecks in Node.js applications
Techniques for improving performance (caching, load balancing, etc.)
Monitoring and profiling Node.js applications
Introduction to WebSocket protocol
Implementing real-time features with Socket.IO
Building chat applications and other real-time experiences
Introduction to Docker and containerization
Dockerizing a Node.js application
Managing containers with Docker Compose

Module 8: Project