config/guix/system/laptop-mimimi: Add docker and postgres.

.config/guix/system/laptop-mimimi.scm

@@ -13,10 +13,14 @@
 
 (use-service-modules
  desktop                                ; GNOME
+ docker                                 ; REVIEW: Needs 'modprobe overlay'?
+ databases                              ; PostgreSQL
  sound
  xorg)
 
 (use-package-modules
+ databases                              ; For postgis.
+ geo                                    ; For postgis.
  linux                                  ; For custom kernel.
  ;; xf86-video-nouveau:
  xorg)
@@ -153,5 +157,9 @@ EndSection")
                          (type "tmpfs")
                          (check? #f))
                        %base-file-systems))
+
+  (packages (cons* postgresql %ambrevar/packages))
   (services (cons* (service gnome-desktop-service-type)
+                   (service docker-service-type)
+                   (postgresql-service  #:extension-packages (list postgis))
                    %mimimi/services)))