One of the coolest facets of Kubernetes is the declarative deployment descriptors. You describe what the system should look like and Kubernetes makes it happen. One of the worst facets of Kubernetes is the declarative deployment descriptors... A typical system constructed of micro-services will consist of dozens of configuration files, most of which will be virtually identical to all others. This post will explain how to manage these configuration files in a DRY (do not repeat yourself) way using Helm.