diff --git a/app.js b/app.js
index a48a624..963f3fa 100644
--- a/app.js
+++ b/app.js
@@ -10,7 +10,7 @@ var con = mysql.createConnection({
   database: 'nexto'
 });
 
-var port = 3000;
+var port = process.env.PORT || 3000;
 server.listen(port, () => console.log('serving on port: ' + port));
 
 app.get('/', function (req, res) {
diff --git a/sh.exe.stackdump b/sh.exe.stackdump
new file mode 100644
index 0000000..bffcef4
--- /dev/null
+++ b/sh.exe.stackdump
@@ -0,0 +1,11 @@
+Stack trace:
+Frame        Function    Args
+001802FEA18  0018005D14E (0018022B7F0, 0018021DC39, 001802FEA18, 000FFFFBA10)
+001802FEA18  00180046609 (00000000000, 00000000003, 00000000000, 000C0000000)
+001802FEA18  00180046642 (00000000000, 001802FED28, 001802FEA18, 0060003A3B8)
+001802FEA18  00180057602 (00000000000, 000FFFFCC36, 000FFFFCC52, 0018021C490)
+000FFFFCCB0  00180057687 (205C735C2D5C205C, 535C535C415C505C, 205C265C265C205C, 6F5C685C635C655C)
+000FFFFCCB0  00180046DA5 (00000000000, 00000000000, 00000000000, 00000000000)
+00000000000  00180045873 (00000000000, 00000000000, 00000000000, 00000000000)
+000FFFFFFF0  00180045924 (00000000000, 00000000000, 00000000000, 00000000000)
+End of stack trace