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> especially when you are on Linux AND on macOS. I can’t run FreeBSD jails or ZFS on macOS, can I? Definitely not with one file and one command.

On macOS, docker actually launches a Linux VM to run containers. If this counts, then yes, you can run FreeBSD jails or zfs on macOS, by running a FreeBSD VM.

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But it works with one command and one (Docker)file. That’s what I mean by Docker being a kludgy solution: this is way less than ideal. But for developer experience this is very nice. And that same Dockerfile runs on everything from AWS, to GCP, to k8s, to Dokku, etc.

I dislike the implementation but I cannot deny that the UX is good enough to be very popular.

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