The Helm Chart Repository ArtifactHub Tour

The Helm Chart in the Repository

You can search for Helm Charts here:
https://artifacthub.io/

Searching for a Helm Chart

Lets search for wordpress

Prefer to use Bitnami Helm Charts these are official Helm Charts maintained by VMware

Viewing all the Manifests

The TEMPLATES button is used to view all the Manifests
You will notice that values are replaced with GO Lang variables:
In the ingress.yaml file you will find:

{{- if .Values.ingress.enabled }}
apiVersion: {{ include "common.capabilities.ingress.apiVersion" . }}

In the deployment.yaml file you will find:

apiVersion: {{ include "common.capabilities.deployment.apiVersion" . }}

You will also find

      containers:
        - name: wordpress
          image: {{ include "wordpress.image" . }}

The Values

The DEFAULT VALUES button is used to vlew all the values set accross all the manifests by the values-wordpress.yaml file.

You would find these values:

ingress:
  ## @param ingress.enabled Enable ingress record generation for WordPress
  ##
  enabled: false
  ## @param ingress.pathType Ingress path type
  ##
  pathType: ImplementationSpecific
  ## @param ingress.apiVersion Force Ingress API version (automatically detected if not set)

And also these values:

image:
  registry: docker.io
  repository: bitnami/wordpress
  tag: 6.2.0-debian-11-r11

The Values YAML file

The DEFAULT VALUES button is used to to download the values-wordpress.yaml file
Or to copy its content to the Clipboard

Adding the Helm Charts Repository

The INSTALL button is used to get the Add Repository command:

helm repo add bitnami https://charts.bitnami.com/bitnami

Installing the Helm Chart

The INSTALL button is used to get the helm Install command:

# Dont run this command as is
helm install my-wordpress bitnami/wordpress --version 16.0.0 

Add a namespace to the Helm Install command

kubectl create namespace nico-wordpress

# Run the Helm Install command with a Namespace parameter
helm install my-wordpress bitnami/wordpress --version 16.0.0 --namespace nico-wordpress

The Cleanup

# This will not remove the PVC and PV (Perststent Volume Claim) 
helm delete my-wordpress


# To delete all undeleted Objects delete the namespace
kubectl delete namespace nico-wordpress