mongoose connection nodejs code example

Example 1: 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;

Example 2: mongoose connect

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

Example 3: mongoose connection node

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

Example 4: mongoose connect

mongoose.connect('mongodb://username:password@host:port/database?options...', {useNewUrlParser: true});