Environment Variables Reference

Fresh

All variables go in .env.local (dev) or your hosting provider's environment settings (production).

Required Variables

Variable	Description	Where to Get
`NEXTAUTH_URL`	App URL (`http://localhost:3000` for dev)	Set manually
`NEXTAUTH_SECRET`	Random 15+ char string for JWT	Generate yourself

Authentication

Variable	Description	Where to Get
`GOOGLE_ID`	Google OAuth Client ID	Google Cloud Console
`GOOGLE_SECRET`	Google OAuth Client Secret	Google Cloud Console

Database

Variable	Description	Where to Get
`MONGODB_URI`	MongoDB connection string	MongoDB Atlas

Email

Variable	Description	Where to Get
`RESEND_API_KEY`	Resend API key	Resend Dashboard

Payments

Variable	Description	Where to Get
`STRIPE_PUBLIC_KEY`	Stripe publishable key	Stripe Dashboard > Developers
`STRIPE_SECRET_KEY`	Stripe secret key	Stripe Dashboard > Developers
`STRIPE_WEBHOOK_SECRET`	Webhook signing secret	Stripe CLI or Dashboard > Webhooks

Rate Limiting (Optional)

Variable	Description	Where to Get
`UPSTASH_REDIS_REST_URL`	Upstash Redis URL	Upstash Console
`UPSTASH_REDIS_REST_TOKEN`	Upstash Redis token	Upstash Console