created connection

index.js

@@ -22,8 +22,17 @@ const client = new Client({
     password: process.env.PG_PASSWORD,
     database: process.env.PG_DATABASE,
     host: process.env.PG_HOST,
+    port: process.env.PG_PORT
 });
 
+//create connection to database
+
+client.connect()
+    .then(() => console.log('Connected to database'))
+    .catch((err) => console.log('Error on connecting to database: ', err));
+
+
+
 app.get('/login', (req, res) => {
     response.sendFile(path.join(__dirname + '/routes/login.html'));
 })