Как вывести записи из mongodb с помощью mongoose?

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const mongoose = require('mongoose');

mongoose.connect('mongodb://localhost/my_database', {
  useNewUrlParser: true,
  useUnifiedTopology: true,
});

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const Schema = mongoose.Schema;

const UserSchema = new Schema({
  name: String,
  email: String,
  age: Number,
});

const User = mongoose.model('User', UserSchema);

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User.find({ age: { $gt: 18 } }, (err, users) => {
  if (err) {
    console.error(err);
  } else {
    console.log(users);
  }
});

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mongoose.connection.close();

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const mongoose = require('mongoose');

mongoose.connect('mongodb://localhost/my_database', {
  useNewUrlParser: true,
  useUnifiedTopology: true,
});

const Schema = mongoose.Schema;

const UserSchema = new Schema({
  name: String,
  email: String,
  age: Number,
});

const User = mongoose.model('User', UserSchema);

User.find({ age: { $gt: 18 } }, (err, users) => {
  if (err) {
    console.error(err);
  } else {
    console.log(users);
  }

  mongoose.connection.close();
});