text: const app = require('../app');
  const port = process.env.PORT || 5000;
  
  const indexRouter = require('../routers/index');
  const insertRouter = require('../routers/insert');
  const updateRouter = require('../routers/update');
  const deleteRouter = require('../routers/delete');
  const notificationRouter = require('../routers/notification');
  
  app.use('/', indexRouter);
  app.use('/insert', insertRouter);
  app.use('/delete', deleteRouter);
  app.use('/update', updateRouter);
  app.use('/send-notification', notificationRouter);
  
  app.listen(port);
  