Add experimental support for HTTPS

@@ -6,7 +6,7 @@
 
 var app = require('../app');
 var debug = require('debug')('project:server');
-var http = require('http');
+var https = require('https');
 var fs = require('fs');
 
 /**
@@ -17,10 +17,18 @@ var port = normalizePort(process.env.PORT || '3000');
 app.set('port', port);
 
 /**
- * Create HTTP server.
+ * Create HTTPS server.
  */
 
-var server = http.createServer(app);
+const domain = 'kykint.shop';
+const certdir = '/etc/letsencrypt/live/' + domain;
+const credentials = {
+  key: fs.readFileSync(certdir + '/privkey.pem', 'utf8'),
+  cert: fs.readFileSync(certdir + '/cert.pem', 'utf8'),
+  ca: fs.readFileSync(certdir + '/chain.pem', 'utf8')
+}
+
+var server = https.createServer(credentials, app);
 
 /**
  * Listen on provided port, on all network interfaces.