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export PROJECT=’<Your GCP Project ID>’
gcloud container --project $PROJECT clusters create "tns-demo" \
--zone "asia-south1-a" \
--username "admin" \
--cluster-version "1.11.7-gke.4" \
--machine-type "n1-standard-4" \
--image-type "UBUNTU" \
--disk-type "pd-ssd" \
--disk-size "50" \
--scopes "https://www.googleapis.com/auth/compute","https://www.googleapis.com/auth/devstorage.read_only","https://www.googleapis.com/auth/logging.write","https://www.googleapis.com/auth/monitoring","https://www.googleapis.com/auth/servicecontrol","https://www.googleapis.com/auth/service.management.readonly","https://www.googleapis.com/auth/trace.append" \
--num-nodes "3" \
--enable-cloud-logging \
--enable-cloud-monitoring \
--network "default" \
--addons HorizontalPodAutoscaling,HttpLoadBalancing,KubernetesDashboard

gcloud container clusters get-credentials tns-demo \
--zone asia-south1-a \
--project $PROJECT

kubectl create clusterrolebinding cluster-admin-binding \
--clusterrole cluster-admin \
--user $(gcloud config get-value account)

kubectl version --short | awk -Fv '/Server Version: / {print $3}'

kind: StorageClass
apiVersion: storage.k8s.io/v1beta1
metadata:
 name: px-sc
provisioner: kubernetes.io/portworx-volume
parameters:
 repl: "3"

kubectl create -f px-sc.yaml

kind: PersistentVolumeClaim
apiVersion: v1
metadata:
 name: px-mongo-pvc
 annotations:
 volume.beta.kubernetes.io/storage-class: px-sc
spec:
 accessModes:
 - ReadWriteOnce
 resources:
 requests:
 storage: 1Gi

kubectl create -f px-mongo-pvc.yaml

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
 name: db
 labels:
 name: mongo
 app: todoapp 
spec:
 strategy:
 rollingUpdate:
 maxSurge: 1
 maxUnavailable: 1
 type: RollingUpdate
 replicas: 1
 template:
 metadata:
 labels:
 name: mongo
 app: todoapp
 spec:
 schedulerName: stork
 containers:
 - name: mongo
 image: mongo
 imagePullPolicy: "Always"
 ports:
 - containerPort: 27017
 volumeMounts:
 - mountPath: /data/db
 name: mongodb
 volumes:
 - name: mongodb
 persistentVolumeClaim:
 claimName: px-mongo-pvc

kubectl create -f db-pod.yaml

apiVersion: v1
kind: Service
metadata:
 name: db
 labels:
 name: mongo
 app: todoapp
spec:
 selector:
 name: mongo
 type: ClusterIP
 ports:
 - name: db
 port: 27017
 targetPort: 27017

kubectl create -f db-svc.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
 name: web
 labels:
 name: web
 app: todoapp
spec:
 replicas: 3
 selector:
 matchLabels:
 name: web
 template:
 metadata:
 labels:
 name: web
 spec:
 containers:
 - name: web
 image: janakiramm/todo
 ports:
 - containerPort: 3000

apiVersion: v1
kind: Service
metadata:
 name: web
 labels:
 name: web
 app: todoapp
spec:
 selector:
 name: web 
 type: LoadBalancer
 ports:
 - name: http
 port: 80
 targetPort: 3000
 protocol: TCP