You need to investigate the http server log output to resolve the issue with the...

Scenario: Users of the ContentUploadService report that they occasionally see HTTP 502 responses on specific pages.

" 502 bad gateway " and " 503 service unavailable " are common errors in your app hosted in Azure App Service.

Microsoft Azure publicizes each time there is a service interruption or performance degradation.

The az monitor activity-log command manages activity logs.

Note: Troubleshooting can be divided into three distinct tasks, in sequential order:

Observe and monitor application behavior

Collect data

Mitigate the issue