Only one replica and always pull flask_hello

Change-Id: I8478dbb6f31c50c00fc44a39140758cc6bf616c9
diff --git a/kubernetes/control/flask_hello.yml b/kubernetes/control/flask_hello.yml
index e743dd0..f7b41e5 100644
--- a/kubernetes/control/flask_hello.yml
+++ b/kubernetes/control/flask_hello.yml
@@ -11,7 +11,7 @@
           cluster: flask-hello
           role: server
           type: LoadBalancer
-          replicas: 3
+          replicas: 1
           kind: Deployment
           apiVersion: extensions/v1beta1
           ports:
@@ -20,6 +20,7 @@
           container:
             flask-hello:
               image: ${_param:cicd_control_address}:5000/tcpcloud/python-flask-hello
+              image_pull_policy: Always
               ports:
               - port: 5000
                 name: flask-hello