Implementing Unattended on Azure

I have a test site set up on Azure and I want to use a database already configured for v13 which runs fine locally.

The appsettings.json has { "Umbraco": { "CMS": { "Unattended": { "InstallUnattended": true, "UnattendedUserName": "FRIENDLY_NAME", "UnattendedUserEmail": "EMAIL", "UnattendedUserPassword": "PASSWORD" } } } }

I also have an Environment Variable ASPNETCORE_ENVIRONMENT: Production in the settings and the following:

but I do not get the following screen:

Instead it keeps loading the Installation page to enter details.

Can anyone offer suggestions?
thanks


This is a companion discussion topic for the original entry at https://our.umbraco.com/forum/115304-implementing-unattended-on-azure