新增learn-kubernetes（https://github.com/yyong-brs/learn-kubernetes）相关文件

learn/learn-kubernetes-master/kiamol/ch08/lab/solution/disk-calc-job.yaml

@@ -0,0 +1,33 @@
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: disk-calc
+  labels:
+    kiamol: ch08-lab
+spec:
+  template:
+    spec:
+      restartPolicy: Never
+      containers:
+        - image: kiamol/ch03-sleep
+          name: calc
+          command: ['sh', '-c', 'du -h /nginx0/access.log /nginx1/access.log /nginx2/access.log']
+          ports:
+            - containerPort: 80
+          volumeMounts:
+            - name: nginx0
+              mountPath: /nginx0/
+            - name: nginx1
+              mountPath: /nginx1/
+            - name: nginx2
+              mountPath: /nginx2/
+      volumes:
+        - name: nginx0
+          persistentVolumeClaim:
+            claimName: logs-nginx-stateful-0
+        - name: nginx1
+          persistentVolumeClaim:
+            claimName: logs-nginx-stateful-1
+        - name: nginx2
+          persistentVolumeClaim:
+            claimName: logs-nginx-stateful-2

learn/learn-kubernetes-master/kiamol/ch08/lab/solution/nginx-statefulset.yaml

@@ -0,0 +1,50 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: nginx
+  labels:
+    kiamol: ch08-lab
+spec:
+  type: LoadBalancer
+  ports:
+  - port: 8088
+    targetPort: 80
+  selector:
+    app: nginx-stateful
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: nginx-stateful
+  labels:
+    kiamol: ch08-lab
+spec:
+  selector:
+    matchLabels:
+      app: nginx-stateful
+  serviceName: nginx-stateful
+  replicas: 3
+  template:
+    metadata:
+      labels:
+        app: nginx-stateful
+    spec:
+      containers:
+        - image: nginx:1.17-alpine
+          name: nginx
+          ports:
+            - containerPort: 80
+          volumeMounts:
+            - name: logs
+              mountPath: /var/log/nginx/
+  volumeClaimTemplates:
+  - metadata:
+      name: logs
+      labels:
+        kiamol: ch08-lab
+    spec:
+      accessModes: 
+       - ReadWriteOnce
+      resources:
+        requests:
+          storage: 10Mi