diff --git a/mongodb/server/cluster.yml b/mongodb/server/cluster.yml
new file mode 100644
index 0000000..6d862ef
--- /dev/null
+++ b/mongodb/server/cluster.yml
@@ -0,0 +1,12 @@
+classes:
+- service.keepalived.cluster.single
+- service.mongodb.server.cluster
+parameters:
+  _param:
+    mongodb_server_replica_set: mongodb
+    mongodb_master: mdb01.${_param:cluster_domain}
+    mongodb_server_members:
+    - host: mdb01
+      priority: 2
+    - host: mdb02
+    - host: mdb03