I went to publish an ASP.NET Core web application using Azure through the Publish screen in Visual Studio 2017. I used all of the defaults, though my app uses migra
By default ASP.NET Core 2.2 apps are configured to use the new In Process hosting model. This will not be available on Azure in all regions until sometime in December 2018. They mention it here.
The solution for now is to add the following at the top of your web app's .csproj file:
AspNetCoreModule
OutOfProcess