change port to process.env

index.js

@@ -7,11 +7,12 @@ const compression = require('compression');
 const helmet = require('helmet');
 
 
-app.listen(8080); //, '127.0.0.1'
 
-// // PORT
-// const {port=8080} = process.env;
-// app.listen(port, () => console.log(`Listening on port ${port}...`));
+
+// PORT
+//const {port=8080} = process.env;
+const port = precess.env;
+app.listen(port, () => console.log(`Listening on port ${port}...`));
 
 // server.listen(port, hostname, () => {
 //     console.log(`Server running at http://${hostname}:${port}/`);