var pg = require('pg');

var config = {
  host: '127.0.0.1',
  port: 5432,
  database: 'testbase',
  user: 'тест',
  password: ''
};

var pool = new pg.Pool(config);

pool.connect(function(err, client, done) {
  if(err) {
    return console.error(err);
  }
  console.log('Connected');
});

pool.on('error', function (err, client) {
  console.error(err.message, err.stack)
});