MEAN Cookbook

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MongoDB supports many different configuration options that can be set up when connecting to your MongoDB database with Mongoose. These options can provide support for database authentication, working with multiple databases, and database replication. These options are provided through a configuration object to mongoose.connect, or the imported mongoose node module itself:

var mongoose = require('mongoose');var options = {  db: { native_parser: true },  server: { poolSize: 5, socketOptions: { keepAlive: 1} },  replset: { rs_name: 'myReplicaSetName' },  user: 'myUserName',  pass: 'myPassword', auth: { authdb: 'admin'}  mongos: false} mongoose.Promise = require('bluebird');mongoose.connect('mongodb://localhost/mean-db', options); ...