archachatina: unstable nix, postgres

archachatina.nix

@@ -44,6 +44,8 @@
     uvccapture
   ];
 
+  # programs.ratbag.enable = true;
+
   services.thermald.enable = true;
 
   virtualisation.docker.enable = true;
@@ -92,4 +94,11 @@
 
   services.transmission.enable = true;
 
+  nix.package = pkgs.nixUnstable;
+
+  services.postgresql = {
+    enable = true;
+    extraPlugins = [ pkgs.postgis.v_2_4_0 ];
+  };
+
 }