Switch to common oss overlay network

Change-Id: I60dde93b161d2be6ef0523c41254f0a761261b4c
diff --git a/devops_portal/service/elasticsearch.yml b/devops_portal/service/elasticsearch.yml
index 647c4ef..6fd9afa 100644
--- a/devops_portal/service/elasticsearch.yml
+++ b/devops_portal/service/elasticsearch.yml
@@ -4,7 +4,8 @@
       service:
         elasticsearch:
           configure_proxy: true
+          resolve_hostname: true
           endpoint:
-            address: ${_param:haproxy_elasticsearch_bind_host}
-            port: ${_param:haproxy_elasticsearch_http_bind_port}
-            https: ${_param:haproxy_elasticsearch_ssl:enabled}
+            address: ${_param:elasticsearch_bind_host}
+            port: ${_param:elasticsearch_http_bind_port}
+            https: ${_param:elasticsearch_ssl:enabled}