Docker is a moderately sized step beyond VM.

I might recommend setting up VMs with something easy like VirtuaBox. When you have that figured out move on to Docker.

If your a casual user VMs are likely sufficient.

Wix.com Ltd. (Hebrew: וויקס.קום, romanized: wix.com) is an Israeli software company,

The conflict aside, WIX is a corporation with strong political and theological roots. Even if the technology is good, choosing that platform comes with baggage.