Answer

How do I know when my Vercel app is down?

Vercel does not page you when your app breaks. Add an error and heartbeat reporter plus an on-call service. With Pagerless, one Next.js instrumentation file reports errors and 5xx per route; a 5xx burst or silence wakes you, and you can roll back to the previous deployment with one tap.

Setup: Next.js on Vercel.

Questions

How do I know when my Vercel app is down?

Vercel does not page you when your app breaks. Add an error and heartbeat reporter plus an on-call service. With Pagerless, one Next.js instrumentation file reports errors and 5xx per route; a 5xx burst or silence wakes you, and you can roll back to the previous deployment with one tap.

Updated .

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Sleep through the small stuff.

Run one command in your repo. Pagerless shows every change before it makes it.

npx pagerless connect