MongoDB is a flexible schema model NoSQL data store, the most commonly used NoSQL data store. MongoDB is based on the BSON (binary JSON) storage model. Documents are stored in collections. Being a schema-free data store, no two documents need to be alike in terms of the fields in a BSON document. In a large scale cluster several instances of MongoDB could be running and several issues could arise.
-MongoDB instances scheduling
-Scaling the MongoDB Cluster
-Providing MongoDB as a Service
While Docker has made it feasible to provide Container as a Service (CaaS) ...