Environment Variables
Complete reference for all environment variables.
Required Variables
These variables are required for the application to function:
Database
DATABASE_URL="postgresql://user:password@host/db?sslmode=require"Authentication
BETTER_AUTH_SECRET="at-least-32-characters-random-key"
BETTER_AUTH_URL="http://localhost:3000"Application URL
NEXT_PUBLIC_APP_URL="http://localhost:3000"Service Integrations
Volcano Engine (AI Features)
Required for chat, image generation, and video generation:
VOLCANO_ENGINE_API_KEY="your-volcano-engine-api-key"
VOLCANO_ENGINE_API_URL="https://ark.cn-beijing.volces.com/api/v3"Creem (Payments)
Required for subscriptions and one-time purchases:
CREEM_API_KEY="your-creem-api-key"
CREEM_WEBHOOK_SECRET="whsec_..."
CREEM_MODE="test"
CREEM_API_BASE="https://test-api.creem.io"
WARDROBE_PAYMENT_INBOX_KEY="64-hex-characters-from-an-independent-random-32-byte-key"Use matching test product IDs for test mode. Production uses CREEM_MODE="prod" and https://api.creem.io. Payment handlers require an HTTPS NEXT_PUBLIC_APP_URL origin. Keep the independent inbox encryption key available for the seven-day payload retention period. CREEM_SIMULATE=true is rejected; it does not simulate a successful payment. Unit and isolated database tests use synthetic provider adapters.
Resend (Email)
Required for authentication emails and notifications:
RESEND_API_KEY="re_your_api_key"
RESEND_FROM_EMAIL="Your App <noreply@yourdomain.com>"Google OAuth (Optional)
AUTH_GOOGLE_ID="your-google-client-id"
AUTH_GOOGLE_SECRET="your-google-client-secret"Cron Jobs
CRON_SECRET="your-cron-secret"Optional Analytics
NEXT_PUBLIC_POSTHOG_KEY="phc_..."
NEXT_PUBLIC_GOOGLE_ANALYTICS_ID="G-..."
NEXT_PUBLIC_CLARITY_PROJECT_ID="..."Optional Storage (S3-Compatible)
STORAGE_ENDPOINT="https://..."
STORAGE_BUCKET="your-bucket"
STORAGE_REGION="auto"
STORAGE_ACCESS_KEY_ID="..."
STORAGE_SECRET_ACCESS_KEY="..."
STORAGE_PUBLIC_URL="https://..."