Cold starts killing your app demos ? 😤
I kept running into cold starts on my hosted projects — especially with platforms like Vercel and Render that sleep apps during inactivity.
So I built Pinger — a free, open-source tool that sends automated pings to your app to keep it awake.
• No signup, no tracking
• Serverless stack: Python + Flask + Redis + Vercel
• Scheduled with GitHub Actions (like a modern cron job)
• Just add your URL and forget about it
Try it live: https://pinger-evinjohnns-projects.vercel.app/
Source code: http... more