samba in guix

[Tk]

Here's another windows host related question. I have installed the samba 
package (guix package -i samba), but it does not seem (straightforwardly) 
functional. For example, smbpasswd complains that /etc/samba.conf is not there. 
I guess I could create one, but then I would be touching the /etc directory 
post-config and this is against Guix philosophy.

So  how to go about Samba on guix and how to add users to the config?

Tk

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