> I introduce them to something called VirtualBox and then their eyes go bright with wonder on how simple that works. Well, If I'd have a workhorse with loads

> I introduce them to something called VirtualBox and then their eyes go bright with wonder on how simple that works. Well, If I'd have a workhorse with loads of RAM... I'd still choose docker, because how FAST it starts/restarts. And because it is easy to recreate everything with docker - a VM may get messy when installing stuff for APP #1, #2, #x, "works on my machine!" etc.