🔧 aristotle: move to raspberry-pi-nix

also re-deployed form, matter and purpose

nix/modules/base/common.nix

@@ -13,12 +13,12 @@ _:
     settings = {
       substituters = [
         "https://walkah.cachix.org"
-        "https://cache.garnix.io"
+        "https://nix-community.cachix.org"
       ];
 
       trusted-public-keys = [
         "walkah.cachix.org-1:D8cO78JoJC6UPV1ZMgd1V5znpk3jNUERGIeAKN15hxo="
-        "cache.garnix.io:CTFPyKSLcx5RMJKfLo5EEPUObbA78b0YQ2DTCJXqr9g="
+        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
       ];
     };
   };

nix/modules/base/nixos.nix

@@ -1,7 +1,11 @@
-{ config, pkgs, ... }: {
+{ pkgs, ... }: {
 
   imports = [ ./common.nix ../monitoring ../../users ];
 
+  documentation = {
+    enable = false;
+  };
+
   environment.systemPackages = with pkgs; [
     htop
     inetutils
@@ -32,12 +36,6 @@
   };
 
   system = {
-    autoUpgrade = {
-      enable = true;
-      flake = "github:walkah/athens#${config.networking.hostName}";
-      dates = "daily";
-      randomizedDelaySec = "5m";
-    };
     stateVersion = "23.05";
   };
 }