I am familiar with cloud functions and custom domain names. But this only works for us-central1. As stated on this page for more information
Important: If you are using HTTP functions to serve dynamic content for Firebase Hosting, you must use us-central1.
Firebase evolved over time, 3 years ago everything was in us-central, now it's possible to run Firestore and Cloud Functions in Europe.
But sadly the custom domain name for cloud functions is only supported for us-central1. Does anybody know how to get this done for other regions?
Is there such support in the Google Cloud Platform?