feat: set up guix-service and guix-publish-service to share packages in the local network

buer.scm

@@ -18,7 +18,7 @@
  #|N|# nss)
 
 (use-service-modules
- #|A|# admin
+ #|A|# admin avahi
  #|D|# desktop
  #|M|# mcron
  #|N|# networking
@@ -165,11 +165,23 @@
                   (directory "/var/log/guix/drvs")
                   (expiry (* 3 30 24 3600))))
 
+        #|Avahi service|#
+        (service avahi-service-type
+                 (avahi-configuration
+                  (wide-area? #t)))
+
         #|Guix services|#
         (service guix-service-type
                  (guix-configuration
+                  (discover? #t)
                   (build-accounts 16)
                   (extra-options '("--max-jobs=8" "--cores=4"))))
+        (service guix-publish-service-type
+                 (guix-publish-configuration
+                  (port 8080)
+                  (advertise? #t)
+                  (compression '(("zstd" 3)))
+                  (workers 4)))
 
         #|Mcron service|#
         (simple-service 'mcron-jobs mcron-service-type