How to customize the Laravel Vapor maintenance view

If you want to take a Laravel Vapor app down temporarily, you run this command from within the app:

vapor down production # this is for environment called "production"

To bring it back up, you run:

vapor up production

While it's down, Vapor will show a general maintenance mode page. A lot of tutorials tell you to customize this by writing a view at resources/views/errors/503.blade.php. However, this isn't the case for Laravel Vapor.

On Vapor, you customize this by putting a file called 503.html at the root of your application (not in the resources/views/ folder — at the root, outside any folders).

Inside this self-contained file, write the plain HTML that you want to be shown when your app is in maintenance mode.