On Mon, Feb 25, 2019 at 09:31:48PM +0100, Ricardo Wurmus wrote:
> swedebugia <swedebugia@riseup.net> writes:
> > If this is not explained in the manual could you send a patch to include
> > this?
> 
> The service file already includes an “Environment” line.

Also, this 'Environment=' parameter is a feature of systemd services [0]
and applicable to any use of systemd. I don't think the Guix manual
needs to include specific examples of how to set environment variables
in third-party service managers.

[0] See the manual page systemd.service(5) or view it online:
https://www.freedesktop.org/software/systemd/man/systemd.service.html