Answers for "mongoose connection options"

mongoose connection nodejs

const mongoose = require('mongoose');

const connectDB = async () => {
    mongoose
        .connect('mongodb://localhost:27017/playground', {
            useCreateIndex: true,
            useNewUrlParser: true,
            useUnifiedTopology: true,
            useFindAndModify: false
        })
        .then(() => console.log('Connected Successfully'))
        .catch((err) => console.error('Not Connected'));
}

module.exports = connectDB;

mongoose connection

const mongoURI =
  "mongodb+srv://userTest:<password>@cluster0.hgkll.mongodb.net/myFirstDatabase?authSource=admin&replicaSet=atlas-eu2ek5-shard-0&w=majority&readPreference=primary&appname=MongoDB%20Compass&retryWrites=true&ssl=true";
mongoose
  .connect(mongoURI, {
    useNewUrlParser: true,
    useUnifiedTopology: true,
  })
  .then(() => {
    // eslint-disable-next-line
    console.log("Database Connection Established...!");
  })
  .catch((err) => {
    // eslint-disable-next-line
    console.log("Error: Database connection can not be established...!", err);
  });

mongoose connect

mongoose.connect('mongodb://localhost:27017/test', {
  useMongoClient: true,
  connectTimeoutMS: 1000
})

mongoose connect to URL of atals

try {
  mongoose.connect(MONGODB_URI || 'mongodb://localhost/YOUR_DB_NAME', {
      useNewUrlParser: true,
      useUnifiedTopology: true
    }, () =>
    console.log("connected"));
} catch (error) {
  console.log("could not connect");
}

mangoose connection

const mongoose = require('mongoose');
mongoose.connect('mongodb://localhost:27017/test', {useNewUrlParser: true, useUnifiedTopology: true});

const Cat = mongoose.model('Cat', { name: String });

const kitty = new Cat({ name: 'Zildjian' });
kitty.save().then(() => console.log('meow'));