/Javascript/Node.js/Node js connect to mongodb using mongoose

Node js connect to mongodb using mongoose

Mongoose connect

import mongoose from 'mongoose'

export const connectDb = async () => {
  try {
    await mongoose.connect('mongodb://localhost:27017/test', {
      useNewUrlParser: true,
      useUnifiedTopology: true,
      useCreateIndex: true,
    })
  } catch (error) {
    console.log(error.message)
  }
}

Source: dailydeveloping.com

Connecting to mongoDB using mongoose

//Import the mongoose module
var mongoose = require('mongoose');

//Set up default mongoose connection
var mongoDB = 'mongodb://127.0.0.1/my_database';
mongoose.connect(mongoDB, {useNewUrlParser: true, useUnifiedTopology: true});

//Get the default connection
var db = mongoose.connection;

//Bind connection to error event (to get notification of connection errors)
db.on('error', console.error.bind(console, 'MongoDB connection error:'));

Source: developer.mozilla.org

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;

Connecting mongoose with express js

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

Source: mongoosejs.com

Mongoose connect to mongodb

// local conecation

const mongoose = require("mongoose");

mongoose
  .connect("mongodb://localhost:27017/testdb")
  .then(() => console.log("Connected to MongoDB..."))
  .catch((err) => console.error("Could not connect to MongoDB...", err));

Node js connect to mongodb using mongoose

//connect with mongodb
mongoose.connect('mongodb://localhost:27017/your_db_name', {useNewUrlParser: true});
//you can also specify with user and pass
mongoose.connect('mongodb://username:password@host:port/database?options...', {useNewUrlParser: true});
//or goto docs https://mongoosejs.com/docs/connections.html

Source: mongoosejs.com

Similar codes

1 vote209 views1 answer
Node js check if a user exists in mysql
Javascript Node.js
0 vote214 views2 answers
Add to dictionary node js
Javascript Node.js
-1 vote217 views2 answers
Base64 to pdf in replace nodejs
Javascript Node.js
0 vote204 views1 answer
Mongodb nodejs connect localhost
Javascript Node.js
5 votes193 views1 answer
Allow cross origin node
Javascript Node.js
0 vote203 views1 answer
Node equivalent of bash exec
Javascript Node.js
3 votes210 views2 answers
Nodejs path
Javascript Node.js
0 vote219 views1 answer
Nodejs fs root folder path
Javascript Node.js
5 votes243 views1 answer
Node express server static files
Javascript Node.js
0 vote223 views10 answers
Node js firebird example
Javascript Node.js