My app failed to build and I received an exit code

Validated on 4 Oct 2022 • Last edited on 2 Jul 2024

A failed build with an exit code of 1 or greater indicates that a user process has failed.

To diagnose which process failed during build, review your app’s build logs in the control panel by clicking the Activity tab and then clicking the deployment link of the failed build. You can then see the app’s build logs under the Build logs window.

Why am I receiving 520 status codes from my app?

Your app may have crashed while trying to receive an upload or return a response larger than it has been configured to manage.

Why am I receiving a forbidden error when making changes to my App Platform app?

Your team balance may be past due. Pay your balance to lift restrictions on actions you can take on the platform.

Why does my app not restart when it fails a health check?

If an app’s health check fails, the app currently does not restart. This is because App Platform does not currently support liveness probes. An app only automatically restarts if the app crashes or if its disk or RAM usage exceeds the its limits.

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