cd backend && npm install or pnpm install
cd frontend && npm install or pnpm install
crate account in https://cloudinary.com/ for uploading files
MONGO=MONGO_ADDRESS
PORT=SERVER_PORT
JWT_SECRET=YOUR JWT SECRET
NODE_ENV="production or developement"
CLOUDINARY_CLOUD_NAME=
CLOUDINARY_CLOUD_SECRET=
CLOUDINARY_CLOUD_API_KEY=