[jrockway]

I think you can just run one node.js per core (or whatever the optimal balance is) and tell your load balancer that there are instances of your service available at hostname:8080, hostname:8081, etc. A lot of people are going to get this "for free" when they tell their container orchestrator that they want 8 replicas that each request 1 cpu, and the scheduler finds a node with 8 free cpus.