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

learn/learn-kubernetes-master/kiamol/ch20/todo-list/config/todo-list-configMap.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: todo-list-config
+  labels:
+    kiamol: ch20
+data:
+  config.json: |-
+    {
+      "Database" : {
+        "Provider" : "MySql"
+      },
+      "MessageQueue": {
+        "Url": "nats://todo-list-queue:4222"
+      }
+    }

learn/learn-kubernetes-master/kiamol/ch20/todo-list/config/todo-list-secret.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: todo-list-secret
+  labels:
+    kiamol: ch20
+type: Opaque
+stringData:
+  secrets.json: |-
+    {
+      "ConnectionStrings": {
+        "ToDoDb": "server=todo-db-mysql-master;database=todo;user=root;password=kiamol-2*2*",
+        "ToDoDb-ReadOnly": "server=todo-db-mysql-replicas;database=todo;user=root;password=kiamol-2*2*"
+      }
+    }

learn/learn-kubernetes-master/kiamol/ch20/todo-list/db/todo-list-db.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: todo-db-secret
+  labels:
+    kiamol: ch20
+type: Opaque
+stringData:
+  ROOT_PASSWORD: "kiamol-2*2*"
+---
+apiVersion: mysql.presslabs.org/v1alpha1
+kind: MysqlCluster
+metadata:
+  name: todo-db
+spec:
+  mysqlVersion: "5.7.24"
+  replicas: 2
+  secretName: todo-db-secret  
+  podSpec:    
+    resources:
+      limits:
+        memory: 200Mi
+        cpu: 200m

learn/learn-kubernetes-master/kiamol/ch20/todo-list/msgq/todo-list-queue.yaml

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+apiVersion: nats.io/v1alpha2
+kind: NatsCluster
+metadata:
+  name: todo-list-queue
+spec:
+  size: 3
+  version: "1.3.0"

learn/learn-kubernetes-master/kiamol/ch20/todo-list/save-handler/todo-save-handler.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: todo-save-handler
+  labels:
+    kiamol: ch20
+spec:
+  selector:
+    matchLabels:
+      app: todo-list
+      component: save-handler
+  template:
+    metadata:
+      labels:
+        app: todo-list
+        component: save-handler
+    spec:
+      containers:
+        - name: web
+          image: kiamol/ch20-todo-save-handler
+          volumeMounts:
+            - name: config
+              mountPath: "/app/config"
+              readOnly: true
+            - name: secret
+              mountPath: "/app/secrets"
+              readOnly: true
+      volumes:
+        - name: config
+          configMap:
+            name: todo-list-config
+            items:
+            - key: config.json
+              path: config.json
+        - name: secret
+          secret:
+            secretName: todo-list-secret
+            defaultMode: 0400
+            items:
+            - key: secrets.json
+              path: secrets.json

learn/learn-kubernetes-master/kiamol/ch20/todo-list/web/todo-web-service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: todo-web
+  labels:
+    kiamol: ch20
+spec:
+  ports:
+    - port: 8020
+      targetPort: 80
+  selector:    
+    app: todo-list
+    component: web
+  type: LoadBalancer

learn/learn-kubernetes-master/kiamol/ch20/todo-list/web/todo-web.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: todo-web
+  labels:
+    kiamol: ch20
+spec:
+  selector:
+    matchLabels:
+      app: todo-list
+      component: web
+  template:
+    metadata:
+      labels:
+        app: todo-list
+        component: web
+    spec:
+      containers:
+        - name: web
+          image: kiamol/ch20-todo-list
+          volumeMounts:
+            - name: config
+              mountPath: "/app/config"
+              readOnly: true
+            - name: secret
+              mountPath: "/app/secrets"
+              readOnly: true
+      volumes:
+        - name: config
+          configMap:
+            name: todo-list-config
+            items:
+            - key: config.json
+              path: config.json
+        - name: secret
+          secret:
+            secretName: todo-list-secret
+            defaultMode: 0400
+            items:
+            - key: secrets.json
+              path: secrets.json