diff --git a/bin/imserver/imserver.cluster.json b/bin/imserver/imserver.cluster.json
new file mode 100644
index 00000000..2e4f0dcd
--- /dev/null
+++ b/bin/imserver/imserver.cluster.json
@@ -0,0 +1,5 @@
+[
+  {
+    "listen_port": 8888
+  }
+]