'Host.docker.internal' does not resolve from inside container

[willemodendaal]

I'm trying to call a service on the container host machine (for local dev environment only, not production). Other images, like microsoft/nanoserver allow me to ping host.docker.internal, but the microsoft/aspnet:4.7.2-windowsservercore-1803 image just returns the following error:

PS C:\inetpub\wwwroot> ping host.docker.internal
Ping request could not find host host.docker.internal. Please check the name

Here is my dockerfile:

FROM microsoft/aspnet:4.7.2-windowsservercore-1803
EXPOSE 80
ARG source
WORKDIR /inetpub/wwwroot
COPY . .
ENTRYPOINT ["powershell"]

How do I call the host machine from my docker container? I'm using the default 'nat' network. Running on a Windows 10 laptop.

[StephenMolloy]

This would be an issue below our layer, and it looks like there already is an open issue for it. docker/for-win#1976