The whole article can be boiled down to: "The trouble is that I’m obstinate: I’ve paid for a VMWare Fusion license, and I’m insisting on using it." VirtualBox

The whole article can be boiled down to: "The trouble is that I’m obstinate: I’ve paid for a VMWare Fusion license, and I’m insisting on using it." VirtualBox is free, and all the work to make Docker run easily has already been done. But the author only wants to use VMWare, so it got complicated.