Later on that same page, we see
The microsoft/dotnet images come in different flavors, each designed for a specific use case.
This is the defacto image. If you are unsure about what your needs are, you probably want to use this one. It is designed to be used both as a throw away container (mount your source code and start the container to start your app), as well as the base to build other images off of.
It contains the .NET Core SDK which is comprised of three parts:
.NET Core CLI
Use this image for your development process (developing, building and testing applications).
This image contains the ASP.NET Core and .NET Core runtimes and libraries and is optimized for running ASP.NET Core apps in production.
This image contains the .NET Core runtimes and libraries and is optimized for running .NET Core apps in production.
This image contains the native dependencies needed by .NET Core. It does not include .NET Core. It is for self-contained applications.
And just after that, we see
If you have any problems with or questions about this image, please contact us through a [GitHub issue](https://github.com/dotnet/dotnet-docker/issues).
So, if your concerns aren’t addressed via the information on the repository’s information page, you could follow the link to the GitHub repository’s issues.