fixed network issue with multiple managed rooms

cfg/sample/config.json

@@ -0,0 +1,15 @@
+{
+  "managed": {
+    "name": "sample",
+    "repos": {
+      "frontend": "/path/to/your/frontend/repo",
+      "backend": "/path/to/your/backend/repo"
+    }
+  },
+  "framework": {
+    "name": "soleprint"
+  },
+  "auth": {
+    "enabled": false
+  }
+}