Helm Chart

What is Helm?

• Helm helps deploy applications in Kubernetes using pre-configured templates called Helm Charts.
• A Chart is a collection of files that describe a Kubernetes application.

Helm Basics

Check which version of Helm is installed

helm version

Get help with Helm commands

helm help

Show all added Helm repositories

helm repo list

Adding and Updating Repositories

Add a repository

helm repo add <repo-name> <repo-url>

Get the latest list of available charts

helm repo update

Search for a chart

helm search repo <chart-name>

Installing Applications using Helm

Install an application

helm install <release-name> <chart>

See running applications in Kubernetes

kubectl get pods

Listing Installed Applications

Show all installed applications

helm list

Checking Application Details

Check the status of your installed application

helm status <release-name>

See configuration values used

helm get values <release-name>

Updating an Installed Application

Update an installed application

helm upgrade <release-name> <chart> --set <parameter>

Uninstalling an Application

Remove an application

helm uninstall <release-name>

Debugging Helm Charts

Check for issues in a Helm chart

helm lint <chart>

Simulate installation

helm install --debug --dry-run <release-name> <chart>

Creating Your Own Helm Chart

Create a new Helm chart

helm create <chart-name>