# Supabase (Optional - remove if not using backend) NEXT_PUBLIC_SUPABASE_URL=your_supabase_url_here NEXT_PUBLIC_SUPABASE_ANON_KEY=your_supabase_anon_key_here # Add more environment variables as needed # STRIPE_SECRET_KEY=sk_... # SMTP_HOST=smtp.sendgrid.net # SMTP_USER=your_smtp_user # SMTP_PASS=your_smtp_password