Connect to mongodb

Mongodb local connection string

mongodb://localhost:27017/mydbname

Connect to mongodb

const MongoClient = require('mongodb').MongoClient

Source: zellwk.com

Mongodb connection

import { Router } from 'express';
import { ObjectID } from 'mongodb';

const router = new Router();

router.get('/:id', async (req, res, next) => {
  try {
    const db = req.app.locals.db;
    const id = new ObjectID(req.params.id);
    const user = await db.collection('user').findOne({ _id: id }, {
      email: 1,
      firstName: 1,
      lastName: 1
    });

    if (user) {
      user.id = req.params.id;
      res.send(user);
    } else {
      res.sendStatus(404);
    }
  } catch (err) {
    next(err);
  }
});

export default router;

Source: stackoverflow.com

Mongo connect db

1	mongo # connects to mongodb://127.0.0.1:27017 by default
2	mongo --host <host> --port <port> -u <user> -p <pwd> # omit the password if you want a prompt
3	mongo "mongodb://192.168.1.1:27017"
4	mongo "mongodb+srv://cluster-name.abcde.mongodb.net/<dbname>" --username <username> # MongoDB Atlas

Source: mongodb.com

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