"npm i" for the backend. "cd frontend " and then "npm i" for the frontend. and make sure decalre all the variables

PORT=

DB_URI=

JWT_SECRET =

JWT_EXPIRE =

COOKIE_EXPIRE=

SMPT_SERVICE="gmail"

SMPT_MAIL = yourmail

SMPT_PASSWORD = your password

SMPT_HOST = smtp.gmail.com SMPT_PORT = 465

CLOUDINARY_NAME = CLOUDINARY_API_KEY = CLOUDINARY_API_SECRET =

STRIPE_API_KEY = STRIPE_SECRET_KEY =