Setting up a Kubernetes cluster
Kubernetes is an open source container orchestration tool across multiple nodes in the cluster. Currently, it only supports Docker. It was started by Google, and now developers from other companies are contributing to it. It provides mechanisms for application deployment, scheduling, updating, maintenance, and scaling. Kubernetes' auto-placement, auto-restart, auto-replication features make sure that the desired state of the application is maintained, which is defined by the user. Users define applications through YAML or JSON files, which we'll see later in the recipe. These YAML and JSON files also contain the API Version (the apiVersion field) to identify the schema. The following is the architectural diagram ...
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