mongodb - How to set up mongo db in local and then in remote? -

i have got mongo db commands below link.

http://try.mongodb.org/

i have project , able run it. in project use mongodb, angular js, node js , express server.

i able create user login page.the users stored in mongo db. know users in database.

initially did not install mongodb. how, user , password stored in localhost. hope project having libraries.

but later, in order learn mongo, installed mongo pc. started mongo db , running in link

http://localhost:28017/.  mongodb starting : pid=6300 port=27017 dbpath=\data\db\ 64-bit host=new-pc 

• question 1

i list out users in db, used project. installation of mongo db me in way? if not without starting mongo db, can know user details saved project?

• question 2

how can set mongo db in remote available in internet?

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code

 - creating userschema  var userschema = new schema({ name: string, email: { type: string, unique: true }, hashed_password: string, provider: string, salt: string, facebook: {}, twitter: {}, github: {}, google: {} });  mongoose.model('user', userschema);   - code creating user  var mongoose = require('mongoose'), user = mongoose.model('user'), q = require('q'), _ = require('lodash');  exports.create = function(req, res, next) { var requser = new user(req.body); var email = requser.email; if(!requser.email) { res.send(400, {message: 'email mandatory!'}); }  var message = null; requser.provider = 'local'; var savepromise = q.when(user.findone({'email': requser.email}).exec()); savepromise.then(function(user) {     return requser;     if(user == null)     {         return requser;     } else     {         if(requser.provider!=user.provider && !user.hashed_password)         {             user.password = requser.password;         } else {             throw new error("user alredy exists!");         }          console.log("in else");         console.log(user);         return user;     } }, function(err){         console.log("in error 1");     } ).then(function(user){     console.log("in 2");     console.log(user);     return user.save(); }, function(err){     console.log("in error 2");     console.log(err);    }).then(function(obj){     console.log("in 3");     console.log(obj); }).fail(function(error){     console.log("in fail");     console.log(error); }).done(function(){    // console.log(user);     console.log("in done"); }); console.log("returning 400 @ end");  user.save(function(err) {     if (err) {         console.log(err);         message = 'unknowd error occured, please try again!';         if(err.code=11000)         {             message = 'user email exist. existing user? please login <a href="/signin">here</a>';             user.findone({                     email: user.email                 }, function(err, dbuser) {                     if (err) {                         return res.json(400, { message: message });                     }else {                         if(dbuser.provider!=user.provider)                         {                             console.log("in if");                             console.log(dbuser);                             if(!dbuser.hashed_password)                             {                                 console.log("in if");                                 dbuser.password = user.password;                                 dbuser.save(function(err){                                     if(err)                                     {                                         console.log(err);                                     }                                     return res.json(dbuser);                                 });                             }else                             {                                 console.log("returning error");                                 return res.json(400, { message: message })                             }                         } else                         {                             return res.json(400, { message: message });                         }                                 }                 });         }      }else     {         return res.json(user);     }     //console.log("returning success");  }); }; 

thanks, sabarisri

to answer question #2 first, need either instance of mongodb on own server or hosted one.

see example database-as-a-service. there quite lot of possibilites, check out other offers.

your first question confusing me. helpful see code creates user.