update

pm2.json

@@ -3,7 +3,7 @@
       "name": "constructioncost",
       "script": "server.js",
       "output": "/home/logs/out.log",
-      "error": "/home/logs/out.log",
+      "error": "/home/logs/err.log",
       "exec_mode": "cluster_mode",                
       "instances": 3, 
       "merge_logs": true