port as env var

backend/src/main.mjs

@@ -65,7 +65,7 @@ migrate(db, migrations, 1);
 // server
 
 const app = express();
-const port = 8080;
+const port = env.process.PORT || 8080;
 
 app.use(express.urlencoded({ extended: true }));
 app.use(compression());