[COMMON] Use deployment for postgresql

Instead of statefulset + inner work in the container, use deployments in
order to be more reliable

Change-Id: Icf4fe1303ae3489c822558e28bb08b69af2d4970
Issue-ID: OOM-2234
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
diff --git a/kubernetes/common/postgres/charts/pgpool/values.yaml b/kubernetes/common/postgres/charts/pgpool/values.yaml
index cb732b7..8ceff8f 100644
--- a/kubernetes/common/postgres/charts/pgpool/values.yaml
+++ b/kubernetes/common/postgres/charts/pgpool/values.yaml
@@ -38,7 +38,8 @@
   pgusername: testuser
   pgpassword: password
 service:
-  name: pgpool 
+  name: pgpool
+  portName: tcp-postgres
   type: ClusterIP
   externalPort: 5432
   internalPort: 5432