NEXT_PUBLIC_FASTAPI_BACKEND_URL=http://localhost:8000
NEXT_PUBLIC_FASTAPI_BACKEND_AUTH_TYPE=LOCAL or GOOGLE
NEXT_PUBLIC_ETL_SERVICE=UNSTRUCTURED or LLAMACLOUD or DOCLING
NEXT_PUBLIC_ZERO_CACHE_URL=http://localhost:4848

# Contact Form Vars (optional)
DATABASE_URL=postgresql://postgres:[YOUR-PASSWORD]@db.sdsf.supabase.co:5432/postgres

# Deployment mode (optional)
NEXT_PUBLIC_DEPLOYMENT_MODE="self-hosted" or "cloud"

# PostHog analytics (optional, leave empty to disable)
NEXT_PUBLIC_POSTHOG_KEY=

# Cloudflare Turnstile CAPTCHA for anonymous chat abuse prevention
# Get your site key from https://dash.cloudflare.com/ -> Turnstile
NEXT_PUBLIC_TURNSTILE_SITE_KEY=