User icon & others do not show up on domain but show up locally

Nextcloud version (eg, 20.0.5): Nextcloud Hub 7 (28.0.1) - Docker Image
Operating system and version (eg, Ubuntu 20.04): Ubuntu 20.04

The issue you are facing:

I do not see the dashboard icons, my user account icon and other icons when accessing the domain via a CloudFlare proxied domain. See screenshots

Local network:

Remote Access via custom domain:

Is this the first time you’ve seen this error? (Y/N): Yes