[CPS] Set postgres replica strategy

Strategy is set to Recreate instead of using default RollingUpdate

Issue-ID: CPS-894
Change-Id: Ia5a5f54512baa6445a161c43075f0c29679691d0
Signed-off-by: Bruno Sakoto <bruno.sakoto@bell.ca>
diff --git a/kubernetes/common/postgres/templates/_deployment.tpl b/kubernetes/common/postgres/templates/_deployment.tpl
index 341b4c8..1051aaf 100644
--- a/kubernetes/common/postgres/templates/_deployment.tpl
+++ b/kubernetes/common/postgres/templates/_deployment.tpl
@@ -33,6 +33,8 @@
     name: "{{ index $dot.Values "container" "name" $pgMode }}"
 spec:
   replicas: 1
+  strategy:
+    type: Recreate
   selector:
     matchLabels:
       app: {{ include "common.name" $dot }}-{{ $pgMode }}