text: const mongoose = require('mongoose');
  
  const callback = (error) => {console.log(error);};
  
  const connection = mongoose.connect('mongodb+srv://pnsidou:omnistack@cluster0-m11jf.mongodb.net/omni?retryWrites=true&w=majority', {
      useNewUrlParser: true,
      useUnifiedTopology: true
  });
  
  
  connection.catch(function(reason){
      console.log(reason);
  });
  