Does this process allows the use of custom domains? For a long time now custom domains on GCS with SSL has been a networking "mission impossible" and just an a

Does this process allows the use of custom domains? For a long time now custom domains on GCS with SSL has been a networking "mission impossible" and just an absurd amount of work really. I remember giving up 12 months ago, I can't remember why, and just deploying to Firebase finally. That worked out well...but much more work than it should have been. Particularly compared to just hosting on S3.