After installing Minio and configuring the Hostnames corrects,
I have noticed that after uploading a file and choosing share, the public shareble link defaults to an internal locahost Ip instead of a public domain.
For now we won’t go that way to fix the URL rewriting of the console, we will wait an upstream fix that will allow it,
The clue to fix the the issue could be to use MINIO_SERVER_URL: "https://s3.chat.example.org:20003" and to open the port in the firewall, this is not ideal neither nice