Well that's what the windows store was meant to do but then they added a pay toll, limited it to apps that could run on a fraction of the machines deployed, so

Well that's what the windows store was meant to do but then they added a pay toll, limited it to apps that could run on a fraction of the machines deployed, so it never took off. But agree, there should be no need to things like docker if apps were sufficiently compartimented and explicit about their requirements.