try to fix this spaghetti of a code

gambling.js

@@ -1,4 +1,4 @@
-const http = require('node:http');
+const http = require('node:http');
 const {configuration} = require('./lib/config');
 const {createRepository} = require('./lib/repository');
 const {createSessionService} = require('./lib/sessions');
@@ -33,7 +33,8 @@ async function createApplication(options = {}) {
 if (require.main === module) {
     require('dotenv').config();
     createApplication().then(async application => {
-        const address = await application.listen();
+        let address;
+        try {address = await application.listen();} catch (error) {await application.close(); throw error;}
         console.log(`Server listening at http://${address.address}:${address.port}`);
         for (const signal of ['SIGINT', 'SIGTERM']) process.once(signal, () => application.close().catch(error => {console.error(error); process.exitCode = 1;}));
     }).catch(error => {console.error(error.message); process.exitCode = 1;});