Deployment Vs StatefulSet

kubernetes/Deployment_Vs_StatefulSet/Deployment/Deployment.yaml

@@ -0,0 +1,54 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: web-app-deployment
+spec:
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxSurge: 2
+      maxUnavailable: 1
+  selector:
+    matchLabels:
+      app: web-app
+  replicas: 3
+  template:
+    metadata:
+      labels:
+        app: web-app
+    spec:
+      containers:
+        - name: web-app
+          image: hello-world:nanoserver-1809
+          volumeMounts:
+          - name: counter
+            mountPath: /app/
+      volumes:
+      - name: counter
+        persistentVolumeClaim:
+          claimName: counter
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: counter
+spec:
+  accessModes:
+  - ReadWriteMany
+  resources:
+    requests:
+      storage: 50Mi
+  storageClassName: default
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: web-app-service
+spec:
+  ports:
+    - name: http
+      port: 80
+      nodePort: 30080
+  selector:
+    name: web-app
+  type: NodePort

kubernetes/Deployment_Vs_StatefulSet/Deployment/PersitantVoulumeClaim.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: counter
+spec:
+  accessModes:
+  - ReadWriteMany
+  resources:
+    requests:
+      storage: 50Mi
+  storageClassName: default

kubernetes/Deployment_Vs_StatefulSet/Deployment/Service.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: web-app-service
+spec:
+  ports:
+    - name: http
+      port: 80
+      nodePort: 30080
+  selector:
+    name: web-app
+  type: NodePort

kubernetes/Deployment_Vs_StatefulSet/StatefulSets/PersistantVolumeClaim.yaml

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+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: myclaim
+spec:
+  accessModes:
+    - ReadWriteMany
+  resources:
+    requests:
+      storage: 5Gi

kubernetes/Deployment_Vs_StatefulSet/StatefulSets/Service.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: nginx
+  labels:
+    app: nginx
+spec:
+  ports:
+  - port: 80
+    name: web
+  clusterIP: None
+  selector:
+    app: nginx

kubernetes/Deployment_Vs_StatefulSet/StatefulSets/StatefulSet.yaml

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+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: web
+spec:
+  selector:
+    matchLabels:
+      app: nginx
+  serviceName: "nginx"
+  replicas: 3
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - name: nginx
+        image: nginx
+        ports:
+        - containerPort: 80
+          name: web
+        volumeMounts:
+        - name: www
+          mountPath: /usr/share/nginx/html
+      volumes:
+      - name: www
+        persistentVolumeClaim:
+          claimName: myclaim