Cant work with gutenberg if site address diff

[drosendo]

I'm using Laravel as front-end and WordPress as back-end. The url's different. Site Address (URL) from WordPress Address (URL).
Gutenberg works fine and loads the information, but it cannot save.

Access to fetch at 'http://laravel-site/wp-json/wp/v2/pages/127?_locale=user' from origin 'http://wordpress-backoffice' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.

Additional context

• Note there is no CORS issue the front-end is simply not WordPress to return the proper response.

Maybe there is a filter to change this url to fallback to the WordPress Address (URL)?

[drosendo]

Same issue as #1761

The solution: #1761 (comment)