Express.js RESTful Services Using ChatGPT & GitHub Copilot | NIIT GenAI Course M8S6

Welcome to Module 8 of NIIT’s Generative AI Program — Web & App Development with GenAI.

In this session, we build the backend RESTful services for the Stock Watch application using Node.js and Express.js, with the help of AI-assisted programming tools like GitHub Copilot and ChatGPT.

You will see how AI tools can accelerate backend development by:
Generating REST APIs
Fixing routing issues
Creating CRUD operations
Integrating MongoDB
Testing APIs efficiently

This hands-on session demonstrates how modern developers can leverage GenAI tools to build scalable backend systems faster and with fewer errors.

📘 WHAT YOU WILL LEARN IN THIS VIDEO

🔹 1. Backend Architecture Overview
Understanding the Stock Watch backend
Overview of RESTful APIs used in the application
Role of Node.js and Express.js

🔹 2. Getting Stocks by Country
Creating an API to fetch all stocks for a country
Handling parameters like country name
Returning stock data in JSON format
Supporting exchanges like NSE and BSE

🔹 3. Fetching Stock Details by Symbol
Creating an API to fetch stock details
Passing stock symbol as a parameter
Testing API using browser/Postman

🔹 4. Adding Stocks to Watchlist
Creating POST API to save stocks
Accepting request body data
Storing stock data in MongoDB
Verifying database persistence

🔹 5. Retrieving Saved Stocks
Creating GET API to fetch saved stocks
Connecting Express.js with MongoDB
Returning watchlist data as JSON

🔹 6. Using ChatGPT & GitHub Copilot
Generating backend code using AI
Fixing routing and endpoint mismatches
Debugging API issues efficiently
Speeding up backend development


📂 MODULE 8 ROADMAP (Web & App Development with GenAI)
M8_01 — Introduction to Angular
M8_02 — Angular Configuration & Routing Using GitHub Copilot
M8_03 — Building Angular Components Using GitHub Copilot
M8_04 — Node.js Backend Development Using GitHub Copilot
M8_05 — Express.js Backend Development
M8_06 — Express.js RESTful Services Using ChatGPT & GitHub Copilot ✅ (This Video)
M8_07 — React SPA Using Copilot
M8_08 — Angular + Spring Boot Integration
M8_09 — Spring Boot App Development
M8_10 — Spring Boot REST Services Using ChatGPT

Modern backend development is no longer manual and time-consuming.
Learn how ChatGPT and GitHub Copilot can help you build Node.js & Express REST APIs faster, smarter, and more efficiently with NIIT’s Generative AI Program.

👉 Start your GenAI journey today :
https://www.niit.com/india/?utm_source=youtube&utm_medium=video&utm_campaign=genai_m8_express_rest&utm_content=description

TIMESTAMPS:
00:00 Introduction
00:19 Overview of backend APIs
00:30 Get stocks by country API
00:59 JSON response structure
01:08 Get stock details by symbol
25:26 Server startup verification
25:49 Fixing routing issue
26:18 Fetching country stocks successfully
26:35 Fetching stock details by symbol
27:07 Adding stock to watchlist
28:07 Verifying MongoDB persistence
28:30 Fetching saved stocks
29:03 Session summary
29:06 Closing

#ExpressJS
#NodeJS
#RESTAPI
#GitHubCopilot
#ChatGPT
#BackendDevelopment
#AIAssistedProgramming
#GenAI
#NIIT #niitlimited #unlockwithniit #niitgenaicourse

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