1. cd backend

2. npm install

4. npm i bcrypt cloudinary cookie-parser cors dotenv express express-fileupload jsonwebtoken mongoose validator nodemon

5. in package.json
"type":"module", "scripts": { "start": "node server.js","dev": "nodemon server.js" },

npm run dev

1. cd frontend

2. npm build

3. npm run dev

For reference only

PORT = Your port number

CLOUDINARY_CLIENT_NAME= Name in Cloudinary
CLOUDINARY_CLIENT_API= Cloudinary_api

CLOUDINARY_CLIENT_SECRET=Cloudinary_secret_key

FRONTEND_URL: http://localhost:5173(for vite)

MONGO_URI: "Mongo_cluster_link"
JWT_SECRET_KEY= any_key_

JWT_EXPIRES = no_of_days_to_expire(E.g. 5d)

COOKIE_EXPIRE = ___

For reference only

VITE_REACT_APP_CHAT_API="gemini_api[aistudio.google.com]_you_can_get_ur_api"