اتصال node js به sql server

var express = require('express');
var app = express();
const port = process.env.PORT || 8080;

app.get('/', function (req, res) {

var sql = require("mssql");

var config = {
user: 'ViewMelk',
password: 'ViewMelk!@#',
server: '89.32.248.175',
database: 'viewmelk_db',
"port": '1433',
"dialect": "mssql",
"dialectOptions": {
"instanceName": "SQLEXPRESS"
}
};

sql.connect(config, function (err) {

if (err) console.log(err);

var request = new sql.Request();

request.query('SELECT Id,Address,CreateShamsiDate FROM dbo.Melk WHERE Address IS NOT NULL', function (err, recordset) {

if (err) console.log(err)

if (err) console.log(err)
else {

res.send(recordset);

}

sql.close();

});
});
});

var server = app.listen(port, function () {
console.log('Server is running..');
});