[FIX] socket path

res/app.ini

@@ -3,4 +3,4 @@ appMode=production
 
 [server]
 host=127.0.0.1
-port=8071
+port=8070

src/server.js

@@ -10,12 +10,15 @@ const expressApp = Express()
 expressApp.use(Morgan('combined'))
 
 const httpServer = HttpServer(expressApp)
-const io = SocketIO(httpServer)
+const io = SocketIO(httpServer, {
+    path: '/printers-tray'
+})
 
 /**
  * 
  */
 const connectionHandler = socket => {
+    socket.emit('ok')
     socket.on('print', printHandler)
 }