It is deployed to Google Kubernetes Engine, ver. 1.9.7-gke.6, as well as minikube v0.28.2 (with local K8s cluster v1.10.0). 1. Web (API) server: setup Load balance for it (2 K8s pods), local dev url: http://localhost:3000, deployed port in K8s yaml: 80. 2. MongoDB: No usage of sharding or replica sets for it, only a standalone K8s pod.
https://hub.docker.com/r/grimmer0125/express-mongo-rest-sample