@Nicola Paoluzzi - nicola.paoluzzi@studio.unibo.it ,
I understand you have mentioned it works locally, are you leveraging any proxy? Kindly ensure that the client machine has appropriate network connectivity to the Kudu site of the target deployment.
To isolate the issue, please validate using Kudu Bash https://<site-name>.scm.azurewebsites.net/DebugConsole
and dig
.
As a quick steps, you may scale-up your App Service Plan and test: Best Practices for Azure App Service
If you haven't done, you may leverage App Service diagnostics from Azure Portal> Navigate to your App Service app in the Azure Portal.
In the left navigation, click on Diagnose and solve problems
- Review - “Configuration and Management” options. To begin with, you may leverage App Service diagnostics from Azure Portal> Navigate to your App Service app in the Azure Portal.
Also, review Enable and review logs to fetch more details about the error.
Please let us know, I'll follow-up with you further.