Cleanup

src/index.ts

@@ -7,7 +7,7 @@ const server = app.listen(PORT, () =>
     console.log(`Express server listening on port ${PORT}`)
 );
 
-process.on("SIGTERM", (code) => {
+process.on("SIGTERM", () => {
     server.close(() => {
         console.log('Server closed.');
         process.exit(0);