Azure CI pipeline for Blazor .NET 5 doesn't work

Question

I have an existing Azure CI pipeline for a WebAssembly Blazor application, that works with .NET Core 3.1.

I upgraded the application to use .NET 5 RC, and the pipelin

Answer 1

I set up a simple app service on my azure account, and trying to deploy to it. I can do it with the 'Publish' functionality from inside Visual Studio, but I cannot do the same inside the pipeline. The Publish does everything, starting from building the solution. I know I have the zip files on the pipeline, but when I try for example

- task: AzureWebApp@1
  inputs:
    azureSubscription: '
'
    appType: 'webApp'
    appName: ''
    package: '$(System.DefaultWorkingDirectory)/**/*.zip'
    deploymentMethod: 'auto'

I get this error:

Got service connection details for Azure App Service:'DevOpsBlazorticketsWebApp'
Trying to update App Service Application settings. Data: {"WEBSITE_RUN_FROM_PACKAGE":"1"}
Deleting App Service Application settings. Data: ["WEBSITE_RUN_FROM_ZIP"]
App Service Application settings are already present.
Package deployment using ZIP Deploy initiated.
##[error]Failed to deploy web package to App Service.
##[error]To debug further please check Kudu stack trace URL : https://

##[error]Error: Error: Failed to deploy web package to App Service. Internal Server Error (CODE: 500)
App Service Application URL: http://

Finishing: AzureWebApp

I tried every other possibility, but I couldn't find a way...