Map socket comm

server.js

@@ -9,6 +9,7 @@ const public_routes = require('./app/routes/public_routes');
 const private_routes = require('./app/routes/private_routes');
 
 const logger = require("./app/utils/logger.util.js");
+const map_socket = require("./app/utils/socket.util.js");
 
 const app = express();
 var shutting_down = false;
@@ -77,7 +78,8 @@ process.on("SIGINT", () => {
  */
 function shutdown() {
     shutting_down = true;
-
+    map_socket.closeSocket();
+    
     server.close(() => {
         logger.info("Shutting down server.");
     });