Create backend logic

src/server.js

@@ -0,0 +1,27 @@
+const express = require('express');
+const path = require('path');
+
+const app = express();
+
+/**
+ * Declare HTTP and Websocket protocols
+ */
+const server = require('http').createServer(app);
+const socket = require('socket.io')(server);
+
+app.use(express.static(path.join(__dirname, '../public')));
+
+/**
+ * Configure html view engine
+ */
+app.set('views', path.join(__dirname, '../public'));
+app.engine('html', require('ejs').renderFile);
+app.set('view engine', 'html');
+
+app.use('/', (req, res) => {
+    res.render('index.html')
+});
+
+app.listen(3000, () =>
+    console.log(`Server listen on port: 3000`)
+);