This creates a new “release” inside the cluster. To apply changes to a chart that’s already deployed, use the upgrade command instead. Repeating the install command doesn’t work. when your working directory is already set to the root of your chart. The second argument references the directory path to load the Helm chart from. The first argument to the command defines the name of your release. To add the application to your cluster, use the helm install command: $ helm install my-app. # Overrides the image tag whose default is the chart appVersion. # Declare variables to be passed into your templates. The application is configured by variables defined in values.yaml here you’ll find settings for the image tag, service port, and Ingress host, among others: $ cat values.yaml The Kubernetes manifests in the templates directory create the various constituent components, such as a Deployment, Service, and Ingress. Helm’s default chart comes pre-configured to deploy an instance of the NGINX web server. We won’t be covering this feature in this article so you can delete the directory if you don’t need it. It’s used to configure complex parent-child chart relationships. charts – The charts directory holds other Helm charts which this one depends on.Any valid Kubernetes YAML manifest can be placed here you can also use extra functionality, such as references to variables defined in your values.yaml file. Installing the chart will apply all these manifests to your cluster. templates – The templates directory contains your chart’s Kubernetes object manifests.It’s possible to override values that are set here using CLI flags when you install the chart. values.yaml – This file stores default values for variables that you can reference in your chart.Chart.yaml – Your Helm chart’s manifest defining metadata properties including its name and version.There are two top-level files and two supplementary sub-directories.

What is kubernetes helm used for