building .net applications on a docker image

The pain is that you can't run a Windows docker image on Linux. And Microsoft images with the .net libraries are all Windows.
Like this one https://hub.docker.com/r/compulim/msbuild/

BUT you can build a ubuntu-based docker builder image:

https://medium.com/@hudsonmendes/build-net-4-5-on-linux-in-5-minutes-and-see-what-it-is-like-848ea45fc667


it's available on docker hub as vernetto/ubuntudotnet:1.0

Ref: how to push to docker hub https://ropenscilabs.github.io/r-docker-tutorial/04-Dockerhub.html

how to submit a container to an image and save it as tar https://docs.docker.com/engine/reference/commandline/save/#description