# Database connection URL # Format: postgresql://user:password@host:port/database DATABASE_URL=postgresql://postgres:password@localhost:5432/cards # Alternative name (used as fallback) CARDS_DATABASE_URL=postgresql://postgres:password@localhost:5432/cards # Supabase credentials (only needed for migration) SUPABASE_URL=https://your-project.supabase.co SUPABASE_SERVICE_KEY=your-service-role-key