Add portainer

portainer/Dockerfile

+FROM mcr.microsoft.com/nanoserver-insider:10.0.17744.1001 AS download
+ENV PORTAINER_VERSION 1.19.2
+WORKDIR /tmp
+RUN curl -Lo portainer.tar.gz https://github.com/portainer/portainer/releases/download/%PORTAINER_VERSION%/portainer-%PORTAINER_VERSION%-windows-amd64.tar.gz
+RUN tar xzf portainer.tar.gz
+
+FROM mcr.microsoft.com/nanoserver-insider:10.0.17744.1001
+COPY --from=download /tmp/portainer /
+EXPOSE 9000
+USER ContainerAdministrator
+ENTRYPOINT [ "/portainer.exe" ]

portainer/run.ps1

+Write-Output "Running Portainer container"
+
+docker run `
+  -d `
+  -p 9000:9000 `
+  -v //./pipe/docker_engine://./pipe/docker_engine `
+  chocolateyfest/portainer
+
+Write-Output "Opening a browser with Portainer UI"
+start http://localhost:9000