MERN_Course_2 From Youtube: https://youtu.be/YdBy9-0pER4?si=p_oECkQHqO-KpMIF Required Backend .env file variables: PORT MONGO_URL JWT_SECRET CLIENT_URL Cloudinary CLOUDINARY_CLOUD_NAME CLOUDINARY_API_KEY CLOUDINARY_API_SECRET Stripe STRIPE_API_KEY Required Frontend .env file variables: VITE_API_BASE_URL Stripe VITE_STRIPE_PUBLIC_KEY