This server provides pre-built packages (substitutes) for GNU Guix.
wget https://substitutes.guix.gofranz.com/signing-key.pub
sudo guix archive --authorize < signing-key.pub
In your Guix System configuration:
(modify-services %base-services
(guix-service-type
config => (guix-configuration
(inherit config)
(substitute-urls
(append (list "https://substitutes.guix.gofranz.com")
%default-substitute-urls)))))
Or use the command line:
guix build --substitute-urls="https://substitutes.guix.gofranz.com https://ci.guix.gnu.org" PACKAGE