A quick step-by-step for getting it up and running in .net core web apps in visual studio. There are a few custom changes you need to make for .net projects.
Adding BrowserLink support to your .NET Core application. Reload the browser when your make changes to the CSS or JS.
Enable Razor Runtime Compilation in .net Core. By Default in .net core 3.1 it is disabled.
This is my sample docker file I use for .net core 3.1 projects.
This post is a quick summary of the things I've found or that have caused me an issue as I've been upgrading some of my applications to .net core 3.1