helm

Helm Chart: Helm chart is a docker image with template to run it in Kubernetes.

bitnami chart


jenkins installation > helm install my-release oci://registry-1.docker.io/bitnamicharts/jenkins
Wordpress Appliction > helm install my-release oci://registry-1.docker.io/bitnamicharts/wordpress 


Important point: To run helm chart as a pre work we need to install Docker, Kubernetes and Helm.

How to install helm:
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$ curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
$ chmod 700 get_helm.sh
$ ./get_helm.sh

How to create helm chart
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helm create <chartname>

Once we execute this command, it will create directory with name <chartname>

-rw-r--r-- 1 root root 2358 Aug 23 15:55 values.yaml
-rw-r--r-- 1 root root 1141 Aug 23 15:55 Chart.yaml > This provide information about chart and it's meta-data[data reffering to data]
drwxr-xr-x 3 root root 4096 Aug 23 15:55 templates
drwxr-xr-x 2 root root 4096 Aug 23 15:55 charts