Use clustering to improve performance Referencehttps://blog.appsignal.com/2021/02/03/improving-node-application-performance-with-clustering.htmlhttps://stackoverflow.com/questions/2387724/node-js-on-multi-core-machines Number of instances / nodes to spawn depends on CPUs available Referencehttps://stackoverflow.com/questions/32928353/pm2-cluster-mode-the-ideal-number-of-workershttps://www.gosquared.com/blog/optimising-nginx-node-js-and-networking-for-heavy-workloadshttps://stackoverflow.com/questions/58441797/for-a-2-core-machine-will-it-help-to-set-4-processes-with-pm2