I'm a career IT guy who supports biz in my metro area. I've never used docker nor run into it with any of my customers vendors. My current clients are Windows shops across med, pharma, web retail and brick/mortar retail. Virtualization here is hyper-v.

And it this isn't a non-FOSS world. BSD powers firewalls and NAS. About a third of the VMs under my care are *nix.

And as curious as some might be at the lack of dockerism in my world, I'm equally confounded at the lack of compartmentalization in their browsing - using just one browser and that one w/o containers. Why on Earth do folks at this technical level let their internet instances constantly sniff at each other?

But we live where we live.