How many JS-targeted VMs / container things run just one thread of this async-ness when more are available to that container / VM / context? I'd rather run mod_

How many JS-targeted VMs / container things run just one thread of this async-ness when more are available to that container / VM / context? I'd rather run mod_php under preform MPM and take advantage of all the cores. Is there something as easy and well-supported for running Node apps in things like Docker?