port and host in env

src/main.ts

@@ -46,6 +46,9 @@ async function bootstrap() {
   app.setBaseViewsDir(join(__dirname, '..', 'views'));
   app.setViewEngine('pug');
 
-  await app.listen(3000, '0.0.0.0');
+  await app.listen(
+    parseInt(process.env.NEST_PORT, 10) || 3000,
+    process.env.NEST_HOST || '0.0.0.0',
+  );
 }
 bootstrap();