Extract a docker mixin

hosts/PW05CH3L/configuration.nix

@@ -2,14 +2,12 @@
 
 {
   imports = [
+    ../../modules/mixins/docker.nix
+
     ../common
     ../../users/opdavies
   ];
 
-  nixosModules = {
-    docker.enable = true;
-  };
-
   wsl = {
     enable = true;
     defaultUser = username;

hosts/nixedo/configuration.nix

@@ -9,6 +9,9 @@
     ./hardware-configuration.nix
     ./secrets.nix
     ./services.nix
+
+    ../../modules/mixins/docker.nix
+
     ./modules/acme.nix
 
     ../common
@@ -17,7 +20,6 @@
 
   nixosModules = {
     audiobookshelf.enable = true;
-    docker.enable = true;
     immich.enable = true;
     jellyfin.enable = true;
     paperless.enable = true;

hosts/t480/configuration.nix

@@ -9,8 +9,7 @@
     ./users.nix
 
     ../../modules/mixins/bluetooth.nix
-
-    ./modules/docker.nix
+    ../../modules/mixins/docker.nix
 
     ../common
     ../../users/opdavies

hosts/t480/modules/docker.nix

@@ -1,3 +0,0 @@
-{
-  virtualisation.docker.enable = true;
-}

hosts/t490/configuration.nix

@@ -9,8 +9,6 @@
     ./services
     ./users.nix
 
-    ./modules/docker.nix
-
     ../common
     ../../users/opdavies
   ];

hosts/t490/modules/docker.nix

@@ -1,3 +0,0 @@
-{
-  virtualisation.docker.enable = true;
-}

modules/mixins/docker.nix

@@ -0,0 +1,12 @@
+{
+  virtualisation.docker = {
+    enable = true;
+
+    autoPrune = {
+      enable = true;
+      dates = "weekly";
+    };
+  };
+
+  users.users.opdavies.extraGroups = [ "docker" ];
+}

modules/nixos/cli/default.nix

@@ -1,5 +0,0 @@
-{
-  imports = [
-    ./docker.nix
-  ];
-}

modules/nixos/cli/docker.nix

@@ -1,18 +0,0 @@
-{ lib, config, ... }:
-
-with lib;
-
-{
-  options.nixosModules.docker.enable = mkEnableOption "Enable Docker";
-
-  config = mkIf config.nixosModules.docker.enable {
-    virtualisation.docker = {
-      enable = true;
-
-      autoPrune = {
-        enable = true;
-        dates = "weekly";
-      };
-    };
-  };
-}

modules/nixos/default.nix

@@ -1,6 +1,5 @@
 {
   imports = [
-    ./cli
     ./desktop
     ./gaming.nix
     ./homelab

users/opdavies/default.nix

@@ -1,9 +1,4 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
+{ lib, pkgs, ... }:
 
 with lib;
 
@@ -16,7 +11,7 @@ with lib;
     extraGroups = [
       "networkmanager"
       "wheel"
-    ] ++ optionals config.virtualisation.docker.enable [ "docker" ];
+    ];
 
     packages = with pkgs; [
       qrencode