set up pooler connection in properties

Author: jeanetteclark

helm/metadig-controller/config/metadig.properties

@@ -37,7 +37,7 @@ solr.location = http://metadig-solr.metadig.svc.cluster.local:8983/solr
 # PostgreSQL connection information
 postgres.user = metadig
 postgres.passwd = metadig
-jdbc.url = jdbc:postgresql://metadig-pg-rw.metadig.svc.cluster.local:5432/metadig?sslmode=disable
+jdbc.url = jdbc:postgresql://metadig-pg-pooler.metadig.svc.cluster.local:5432/metadig?sslmode=disable
 # The metadig-scheduler task file
 task.file = /opt/local/metadig/taskList.csv
 # The metadig-scheduler service does not use the public MetaDIG URL, but instead