React App Backend Basics | In-Memory Routes (Hands-on Lab) | Hindi скачать в хорошем качестве

React App Backend Basics | In-Memory Routes (Hands-on Lab) | Hindi

In this chapter 4.2, we continue building our application by adding simple backend routes using Express. To keep things easy and beginner-friendly, we are not using any database. Instead, we store data in memory, so you can clearly understand how APIs work behind the scenes. 🔹 What we cover in this video: Stopping and restarting the Node.js server Creating an in-memory array to store users Implementing a POST route to register a new user Validating request body (missing user name handling) Preventing duplicate user registration Returning proper HTTP status codes (400, 201) Creating a GET route to list all registered users Testing all APIs using Postman Understanding request/response flow step-by-step This approach helps beginners focus on core backend concepts before moving to databases like MongoDB or PostgreSQL. 📌 In the next chapter, we will write a Dockerfile and containerize this Express app. 👍 If this video helps you: • Like the video • Subscribe for full Docker & Kubernetes series • Share with friends preparing for DevOps / Cloud roles 🔔 New videos added regularly 📂 Playlist:    • Docker & Kubernetes Full Course | Beginner...   Docker & Kubernetes Full Course #docker #kubernetes