Orchestration and deployment strategies

Docker makes orchestration and deployment much more simple. In this recipe, we'll set up a connection to MongoDB, inserting a document and querying it all from Docker containers. This recipe will set up the same environment as the Using NoSQL with MongoDB and mgo recipe, in Chapter 5, All about Databases and Storage, but will run the application and environment inside of containers and will use Docker compose to orchestrate and connect them. This can later be used in conjunction with Docker Swarm, an integrated Docker tool that allows you to manage a cluster, to create and deploy nodes that can be scaled up or down easily, and to manage load balancing (https://docs.docker.com/engine/swarm/). Another good example of container orchestration is Kubernetes (https://kubernetes.io/), a container orchestration framework written by Google using...