change readiness logic for APPC docker

change to poke 8181 port

Issue-ID: APPC-1792
Change-Id: I16160dde01c11c6625b407a1f5db4a24bc291df5
Signed-off-by: Taka Cho <takamune.cho@att.com>
diff --git a/kubernetes/appc/templates/statefulset.yaml b/kubernetes/appc/templates/statefulset.yaml
index 1401a82..1bd3103 100644
--- a/kubernetes/appc/templates/statefulset.yaml
+++ b/kubernetes/appc/templates/statefulset.yaml
@@ -63,9 +63,8 @@
           - containerPort: {{ .Values.service.internalPort }}
           - containerPort: {{ .Values.service.externalPort2 }}
           readinessProbe:
-            exec:
-              command:
-              - /opt/appc/bin/health_check.sh
+            tcpSocket:
+               port: {{ .Values.service.internalPort }}
             initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
             periodSeconds: {{ .Values.readiness.periodSeconds }}
           env: