update

pm2.json

@@ -1,9 +1,11 @@
 {
   "apps": {
       "name": "constructioncost",
-      "script": "server.js",
+      "script": "--max-old-space-size=2048 server.js",
       "output": "/home/logs/out.log",
       "error": "/home/logs/out.log",
+      "exec_mode": "cluster_mode",                
+      "instances": 3, 
       "merge_logs": true
     }
 }