JAVASCRIPT

connecting mongoose with express js

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

connect mongoose from node js

- In your entry file
mongoose
  .connect("mongodb://localhost/vidly")
  .then(() => console.log("Connected to MongoDB..."))
  .catch((err) => console.log("Cloud not connect to MongoDB..."));

connecting nodejs using mongoose

mongoose.connect('mongodb://username:password@host:port/database?options...');

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

mongoose connection in express

//config/db.js
const mongoose = require('mongoose');

const connect = async () => {
  try {
    await mongoose.connect(process.env.MONGODB);
    console.log('database connect');
  } catch (error) {
    console.log(error.message);
  }
};

module.exports = connect;

//index.js 
require('dotenv').config();
const connect = require('./config/db');

connect();

connect mongoose to application js

// Connect to the Database here
mongoose.connect("mongodb://localhost:27017/test", {
  useNewUrlParser: true,
  useUnifiedTopology: true,
}, (err) => {
    if (err) return console.log(err);
    app.listen(3000, () => {
        console.log("MongoDB Server listening on 3000");
    });
});

connect mongodb using mongoose in node js

const mongoose=require('mongoose');
const mongoURI="mongodb://localhost:27017/inotebook"


const connectToMongo=()=>
{
    mongoose.connect(mongoURI,()=>
    {
        console.log("connect Successfully");
    })
}

module.exports=connectToMongo;