# Backend Configuration PORT=3000 JWT_SECRET=hydro_secret_jwt_key_123456 # Stripe Configuration # Get these from your Stripe Dashboard (https://dashboard.stripe.com/apikeys) STRIPE_SECRET_KEY=sk_test_... # Webhook Secret (Required in production, optional/bypassable in local development) # Get this from Stripe CLI when running `stripe listen` or from Dashboard webhooks # STRIPE_WEBHOOK_SECRET=whsec_...