@girish Thanks for taking the time to ponder on this !
Yes you got me right and I understand why it's not possible in the case of nocodb.
just FYI, the path nocodb use in the cloudron context to store uploaded files is
Your suggestion to link directly to the LAMP or to a static "mirror" of this is the path I finally went with, it's was the logical step since provided I can link to it, where the media is does not matter much.
i'm not yet releasing this publicly but it's coming !
Thanks for the help!