how to save to mongoDB database with express code example

Example 1: mongodb export entire database

// EXPORT
mongodump -d <database_name> -o <directory_backup>
// IMPORT
mongorestore -d <database_name> <directory_backup>

Example 2: insert a data into mongo using express

var mongoose = require("mongoose");mongoose.Promise = global.Promise;mongoose.connect("mongodb://localhost:27017/node-demo");