Step 6: Keep it Alive (UptimeRobot)

Render's free tier spins down after inactivity. To keep your logger running 24/7:

1. Create a free account on UptimeRobot.
2. Click Add New Monitor.
3. Monitor Type: HTTP(s)
4. Friendly Name: WhatsApp Logger
5. URL (or IP): https://your-app.onrender.com/ping (make sure to include /ping)
6. Monitoring Interval: 5 minutes
7. Click Create Monitor.