Files
startusingdocker/compose/app/index.js
2026-02-12 11:09:14 +01:00

36 lines
1.0 KiB
JavaScript
Executable File

var express = require('express');
var app = express();
var mysql = require("mysql");
var con = mysql.createConnection({ host: process.env.MYSQL_HOST, user: process.env.MYSQL_USER, password: process.env.MYSQL_PASSWORD, database: process.env.MYSQL_DATABASE});
// mysql code
con.connect(function(err){
if(err){
console.log('Error connecting to db: ', err);
return;
}
console.log('Connection to db established');
con.query('CREATE TABLE IF NOT EXISTS visits (id INT NOT NULL PRIMARY KEY AUTO_INCREMENT, ts BIGINT)',function(err) {
if(err) throw err;
});
});
// Request handling
app.get('/', function (req, res) {
// create table if not exist
con.query('INSERT INTO visits (ts) values (?)', Date.now(),function(err, dbRes) {
if(err) throw err;
res.send('Hello World! You are visitor number '+dbRes.insertId);
});
});
// server
var server = app.listen(3000, function () {
var host = server.address().address;
var port = server.address().port;
console.log('Example app listening at http://%s:%s', host, port);
});