Image cannot be pushed to internal registry:
Getting image source signatures
Copying blob ### done
Copying blob ### skipped: already exists
Copying blob ### skipped: already exists
Copying blob ### skipped: already exists
Copying blob ### skipped: already exists
Error: writing blob: uploading layer chunked: received unexpected HTTP status: 504 Gateway Time-out
504 Gateway Time-out suggests performance issues on the registry which is why it is advised to check the registry logs and push the problematic image separately to see if it will be able to be populated. In order to get specific image contact Broadcom Support for assistance.