CONVEX_SELF_HOSTED_URL='https://your-convex-backend.example.com'
CONVEX_SELF_HOSTED_ADMIN_KEY='self-hosted-convex|YOUR_ADMIN_KEY'
NEXT_PUBLIC_SITE_URL=http://localhost:3000
NEXT_PUBLIC_CONVEX_URL=https://your-convex-backend.example.com
NEXT_PUBLIC_CONVEX_SITE_URL=https://your-convex-site.example.com