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Helm is a tool for Kubernetes that helps you install and manage applications. Helm has two sides, there is a client-side tool (helm CLI), and there is also a service side called Tiller. Helm uses a templating engine to generate KuberNETes YAML from some source templates that you set up in Helm. It then sends those requests to the Tiller that’s running on your cluster. Helm then executes updates inside your Kubernees cluster to make sure it is up to date with what you needed based on the chart.