Better support for clustering
diff --git a/metadata/service/server/single.yml b/metadata/service/server/single.yml
index 2dd8332..a77268e 100644
--- a/metadata/service/server/single.yml
+++ b/metadata/service/server/single.yml
@@ -9,3 +9,8 @@
       bind:
         address: 0.0.0.0
         port: 9200
+      index:
+        shards: 1
+        replicas: 0
+      cluster:
+        multicast: false