You can run it without causing any problems if you add the --no-preserve-root flag as well of course

But the firemen would just call it by it’s abbreviation HLF of course

And obviously there is a norm for all Vehicle types in use. Here is a list of all of them https://de.wikipedia.org/wiki/Feuerwehrfahrzeuge_in_Deutschland#Feuerwehrfahrzeug-Typenliste_der_aktuell_genormten_Fahrzeuge

What are your reasons for using docker swarm instead normal docker if you don’t want to do replication?