I've been using the default web.config with the setting
stdoutLogFile=".\LogFiles\stdout" for a while now.
Yesterday, I created new App Service Slot as Staging environment.
My build and release pipeline in Azure DevOps was running fine, but after deployment the App didn't start and I had several errors in the Application Event Logs, for instance:
Could not find 'aspnetcorev2_inprocess.dll'. Exception message:
Invalid runtimeconfig.json [D:\home\site\wwwroot\MyApp.runtimeconfig.json] [D:\home\site\wwwroot\MyApp.runtimeconfig.dev.json]
I searched the web and found this issue on GitHub.
It's already closed so we cannot add additional feedback there.
I've tried the solution there and I was really amazed that afterwards my App Service is running fine.
Change the stdoutLogFile setting to: