How to deploy applications using Helm in Kubernetes?

Let's learn How to deploy PHPMyAdmin application using helm chart? Learn more about helm here.

Prerequisites:

Create NFS share

Reference:

• https://www.linuxbabe.com/ubuntu/nfs-share
• https://vitux.com/install-nfs-server-and-client-on-ubuntu/

Install Helm

Refer installation guide here

Clone github repository

git clone https://github.com/sagar-jadhav/kubernetes-essentials.git

Go to session_5 directory

cd ./kubernetes-essentials/session_5/

Enable Nginx ingress controller

minikube addons enable ingress

kubectl get pods --watch -n kube-system

Exit once controller pod goes into running state

Step 1: Create PHPMyAdmin helm chart

helm create phpmyadmin

Step 2: Add all application YAML files to templates directory

Remove unwanted files from template directory

rm -rf ./phpmyadmin/templates/*

Copy YAML files

cp configmap.yaml db-deployment.yaml db-pv.yaml db-pvc.yaml db-service.yaml secret.yaml phpmyadmin-deployment.yaml phpmyadmin-ingress.yaml phpmyadmin-service.yaml ./phpmyadmin/templates/

Step 3: Package helm chart

helm package phpmyadmin

Step 4: Deploy PHPMyAdmin application

helm install phpmyadmin ./phpmyadmin-0.1.0.tgz

Step 5: List helm release

helm ls

Step 6: List pods

kubectl get pods

Demo