index.js

const mongoose = require('mongoose');

// Import of the model Recipe from './models/Recipe.model.js'
const Recipe = require('./models/Recipe.model');
// Import of the data from './data.json'
const data = require('./data');

const MONGODB_URI = 'mongodb://localhost:27017/recipe-app';

// Connection to the database "recipe-app"
mongoose
  .connect(MONGODB_URI, {
    useCreateIndex: true,
    useNewUrlParser: true,
    useUnifiedTopology: true
  })
  .then(self => {
    console.log(`Connected to the database: "${self.connection.name}"`);
    // Before adding any recipes to the database, let's remove all existing ones
    return Recipe.deleteMany()
  })
  .then(() => {
    // Run your code here, after you have insured that the connection was made
    return Recipe.create({
      title: 'Arroz a la cubana',
      level: 'Easy Peasy',
      cuisine:'Canada',
      ingredients: ['Eggs', 'Rice', 'Tomatoe'],
      dishType: 'main_course',
      image: "https://t2.rg.ltmcdn.com/es/images/9/8/0/arroz_a_la_cubana_facil_y_rapido_72089_600_square.jpg",
      duration: 25,
      creator: 'Dani',
    })
  })
  .then(()=>{
    return Recipe.insertMany(data);
  })
  .then(()=>{
    return Recipe.findOneAndUpdate(
      {title:'Rigatoni alla Genovese'},
      {duration: 41200},
      {new:true, useFindAndModify: false},
      console.log('Duration modified.'))
  })
  .then(()=>{
    return Recipe.deleteOne(
      {title: 'Carrot Cake'},
      console.log(`Recipe deleted.`)
    )
  })
  .then(()=>{
    mongoose.connection.close()
  })
  .catch(error => {
    console.error('Error connecting to the database', error);
  });