Update README.md

Author: Mishra-coder

README.md

@@ -7,28 +7,23 @@ Built with a modern MERN stack on the backend and React + React Native on the fr
 ## Live Demo
 
 - **Website:** [zappify-sepia.vercel.app](https://zappify-sepia.vercel.app)
-- **Download APK:** https://expo.dev/accounts/devendra.mi/projects/zappify/builds/24237286-1ff7-4219-ac7a-6c103ff28d00
+- **Download APK:** [Zappify Android App](https://expo.dev/accounts/devendra.mi/projects/zappify/builds/24237286-1ff7-4219-ac7a-6c103ff28d00)
 
 ---
 
 ## Technology Stack
 
-### Web Frontend
 ![React](https://img.shields.io/badge/React_19-20232A?style=for-the-badge&logo=react&logoColor=61DAFB)
 ![Vite](https://img.shields.io/badge/Vite-646CFF?style=for-the-badge&logo=vite&logoColor=white)
 ![Framer Motion](https://img.shields.io/badge/Framer_Motion-0055FF?style=for-the-badge&logo=framer&logoColor=white)
 ![CSS3](https://img.shields.io/badge/CSS3-1572B6?style=for-the-badge&logo=css3&logoColor=white)
 ![Google OAuth](https://img.shields.io/badge/Google_OAuth-4285F4?style=for-the-badge&logo=google&logoColor=white)
 ![Lucide React](https://img.shields.io/badge/Lucide_React-F56565?style=for-the-badge&logo=lucide&logoColor=white)
-
-### Mobile App
 ![React Native](https://img.shields.io/badge/React_Native-20232A?style=for-the-badge&logo=react&logoColor=61DAFB)
 ![Expo](https://img.shields.io/badge/Expo-000020?style=for-the-badge&logo=expo&logoColor=white)
 ![EAS Build](https://img.shields.io/badge/EAS_Build-4630EB?style=for-the-badge&logo=expo&logoColor=white)
 ![AsyncStorage](https://img.shields.io/badge/AsyncStorage-FF6B35?style=for-the-badge&logo=react&logoColor=white)
 ![React Navigation](https://img.shields.io/badge/React_Navigation-6B52AE?style=for-the-badge&logo=react&logoColor=white)
-
-### Backend
 ![Node.js](https://img.shields.io/badge/Node.js-339933?style=for-the-badge&logo=nodedotjs&logoColor=white)
 ![Express.js](https://img.shields.io/badge/Express.js-000000?style=for-the-badge&logo=express&logoColor=white)
 ![MongoDB](https://img.shields.io/badge/MongoDB-47A248?style=for-the-badge&logo=mongodb&logoColor=white)
@@ -38,11 +33,13 @@ Built with a modern MERN stack on the backend and React + React Native on the fr
 ![Helmet](https://img.shields.io/badge/Helmet-FF6B35?style=for-the-badge&logo=helmet&logoColor=white)
 ![Morgan](https://img.shields.io/badge/Morgan-000000?style=for-the-badge&logo=npm&logoColor=white)
 ![Razorpay](https://img.shields.io/badge/Razorpay-02042B?style=for-the-badge&logo=razorpay&logoColor=3395FF)
-
-### Infrastructure
 ![Vercel](https://img.shields.io/badge/Vercel-000000?style=for-the-badge&logo=vercel&logoColor=white)
 ![Docker](https://img.shields.io/badge/Docker-2496ED?style=for-the-badge&logo=docker&logoColor=white)
 ![GitHub Actions](https://img.shields.io/badge/GitHub_Actions-2088FF?style=for-the-badge&logo=githubactions&logoColor=white)
+![AWS EC2](https://img.shields.io/badge/AWS_EC2-FF9900?style=for-the-badge&logo=amazonec2&logoColor=white)
+![Jest](https://img.shields.io/badge/Jest-C21325?style=for-the-badge&logo=jest&logoColor=white)
+![Cypress](https://img.shields.io/badge/Cypress-17202C?style=for-the-badge&logo=cypress&logoColor=white)
+![ESLint](https://img.shields.io/badge/ESLint-4B32C3?style=for-the-badge&logo=eslint&logoColor=white)
 
 ---
 
@@ -76,16 +73,22 @@ Users {
   String email UK
   String password
   Boolean isAdmin
+  Date createdAt
+  Date updatedAt
 }
 
 Products {
   ObjectId _id PK
   ObjectId user FK
   String name
+  String image
   String brand
   String category
+  String description
   Number price
   Number countInStock
+  Date createdAt
+  Date updatedAt
 }
 
 Orders {
@@ -94,9 +97,16 @@ Orders {
   Array orderItems
   Object shippingAddress
   String paymentMethod
+  Object paymentResult
+  Number taxPrice
+  Number shippingPrice
   Number totalPrice
   Boolean isPaid
+  Date paidAt
   Boolean isDelivered
+  Date deliveredAt
+  Date createdAt
+  Date updatedAt
 }
 ```
 
@@ -263,6 +273,40 @@ VITE_RAZORPAY_KEY_ID=your_razorpay_key_id
 
 ---
 
+## CI/CD & Testing
+
+- GitHub Actions pipeline runs on every push and pull request
+- Linting with ESLint on both frontend and backend
+- Unit tests with Jest for email validation logic
+- Integration tests with Jest + Supertest for API routes
+- E2E tests with Cypress simulating real user flows (homepage, search, cart, login)
+- Automated deployment to AWS EC2 via SSH on every push to main
+- Dependabot configured for weekly dependency updates
+
+Run backend tests:
+```bash
+cd backend
+npm test
+```
+
+Run E2E tests:
+```bash
+cd frontend
+npm run cy:open
+```
+
+---
+
+## AWS EC2 Deployment
+
+Backend is also deployed on AWS EC2 with PM2 process manager.
+
+- EC2 instance: `13.218.101.177:5001`
+- PM2 keeps the server alive and auto-restarts on crash
+- GitHub Actions auto-deploys on every push to main
+
+---
+
 ## Docker
 
 ```bash