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Sagar Jadhav
Sagar Jadhav

Posted on Originally published at developersthought.in

How to deploy applications using Helm in Kubernetes?

#kubernetes #devops #beginners #opensource

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

Prerequisites:

Create NFS share

Reference:

Install Helm

Refer installation guide here

Clone github repository 

git clone https://github.com/sagar-jadhav/kubernetes-essentials.git
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Go to session_5 directory 

cd ./kubernetes-essentials/session_5/
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Enable Nginx ingress controller 

minikube addons enable ingress
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kubectl get pods --watch -n kube-system
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Exit once controller pod goes into running state

Step 1: Create PHPMyAdmin helm chart 

helm create phpmyadmin
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Step 2: Add all application YAML files to templates directory

Remove unwanted files from template directory

rm -rf ./phpmyadmin/templates/*
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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/
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Step 3: Package helm chart 

helm package phpmyadmin
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Step 4: Deploy PHPMyAdmin application 

helm install phpmyadmin ./phpmyadmin-0.1.0.tgz
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Step 5: List helm release 

helm ls
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Step 6: List pods 

kubectl get pods
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Demo

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