Add wordpress_cloudsql.yaml.template (#96)

* Add wordpress_cloudsql.yaml.template

* Modifying variable

wordpress-persistent-disks/wordpress_cloudsql.yaml.template

@@ -0,0 +1,58 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: wordpress
+  labels:
+    app: wordpress
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: wordpress
+  template:
+    metadata:
+      labels:
+        app: wordpress
+    spec:
+      containers:
+        - image: wordpress
+          name: wordpress
+          env:
+          - name: WORDPRESS_DB_HOST
+            value: 127.0.0.1:3306
+          - name: WORDPRESS_DB_USER
+            valueFrom:
+              secretKeyRef:
+                name: cloudsql-db-credentials
+                key: username
+          - name: WORDPRESS_DB_PASSWORD
+            valueFrom:
+              secretKeyRef:
+                name: cloudsql-db-credentials
+                key: password
+          ports:
+            - containerPort: 80
+              name: wordpress
+          volumeMounts:
+            - name: wordpress-persistent-storage
+              mountPath: /var/www/html
+        - name: cloudsql-proxy
+          image: gcr.io/cloudsql-docker/gce-proxy:1.11
+          command: ["/cloud_sql_proxy",
+                    "-instances=${INSTANCE_CONNECTION_NAME}=tcp:3306",
+                    "-credential_file=/secrets/cloudsql/key.json"]
+          securityContext:
+            runAsUser: 2  # non-root user
+            allowPrivilegeEscalation: false
+          volumeMounts:
+            - name: cloudsql-instance-credentials
+              mountPath: /secrets/cloudsql
+              readOnly: true
+      volumes:
+        - name: wordpress-persistent-storage
+          persistentVolumeClaim:
+            claimName: wordpress-volumeclaim
+        - name: cloudsql-instance-credentials
+          secret:
+            secretName: cloudsql-instance-credentials
+