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by hueving 3995 days ago
Nobody is mentioning it because VM's already did this for more than a decade.
1 comments

This isn't true.

The way VMs handle this doesn't carry the same semantics as the way you can with Docker. There's a finer-grain composability with Docker that is much more awkward with VMs.

Docker may not be as great as a virtualization tool as VMs -- security concerns, complexity, etc. -- but it is a much better package management tool.