text: var Schema = require('mongoose').Schema;
  
  var User = new Schema
  ({
  	username: { type:String, required:true, maxlength: 30},
  	password: { type:String, required:true, maxlength:30},
  	type: {type:String, required:true, maxlength:30},
  	img:{data:Buffer, contentType: String}
  });
  
  module.exports = User;