I don't think you even need a container for that type of containment. You could do it with namespaces. I think node/whatever-js-run-time/package-manger could

I don't think you even need a container for that type of containment. You could do it with namespaces. I think node/whatever-js-run-time/package-manger could allow for namespaced containment for packages with simple modern linux things. The realms proposal was a step towards that at one time.