convert to use initContainer

staging/javaweb-tomcat-sidecar/javaweb.yaml

@@ -3,22 +3,22 @@ kind: Pod
 metadata:
   name: javaweb
 spec:
+  initContainers:
+    - image: resouer/sample:v1
+      name: war
+      volumeMounts:
+        - mountPath: /app
+          name: app-volume
   containers:
-  - image: resouer/sample:v1
-    name: war
-    volumeMounts:
-    - mountPath: /app
-      name: app-volume
-  - image: resouer/mytomcat:7.0
-    name: tomcat
-    command: ["sh","-c","/root/apache-tomcat-7.0.42-v2/bin/start.sh"]
-    volumeMounts:
-    - mountPath: /root/apache-tomcat-7.0.42-v2/webapps
-      name: app-volume
-    ports:
-    - containerPort: 8080
-      hostPort: 8001
+    - image: resouer/mytomcat:7.0
+      name: tomcat
+      command: ["sh", "-c", "/root/apache-tomcat-7.0.42-v2/bin/start.sh"]
+      volumeMounts:
+        - mountPath: /root/apache-tomcat-7.0.42-v2/webapps
+          name: app-volume
+      ports:
+        - containerPort: 8080
+          hostPort: 8001
   volumes:
-  - name: app-volume
-    emptyDir: {}
-
+    - name: app-volume
+      emptyDir: {}