3c3
< FROM mcr.microsoft.com/windows/servercore:ltsc2019
---
> FROM mcr.microsoft.com/windows:1809
4a5
> USER ContainerAdministrator
The main difference is that the big Windows image has the default user ContainerUser instead of ContainerAdministrator and therefore does not have enough permission to install software.
.NET Framework on Windows image
This Dockerfile builds a Windows image (the big one, not Windows Server Core) with .NET Framework 4.8.
The Dockerfile is based on https://github.com/microsoft/dotnet-framework-docker/blob/master/4.8/runtime/windowsservercore-ltsc2019/Dockerfile with a few changes
The main difference is that the big Windows image has the default user ContainerUser instead of ContainerAdministrator and therefore does not have enough permission to install software.