var connection  = mysql.createConnection({
  host      : keys.mysql.host,
  user      : keys.mysql.user,
  password  : keys.mysql.password,
  database  : keys.mysql.database
});
//keys
    mysql: {
    host: '55.55.55.2',
    user: 'root',
    password: 'root',
    database: ''
}
//the only changes that I did on my Vagrant file
  config.vm.network "private_network", ip: "55.55.55.2"