Set fixed UID and GID

hosts/common/default.nix

@@ -4,15 +4,21 @@
   lib,
   ...
 }: let
-  mkUser = userName: {
+  mkUser = {userName, uid}: {
     isNormalUser = true;
     home = "/home/${userName}";
     initialPassword = "password";
     extraGroups = ["wheel" "networkmanager" "docker" "video" "syncthing"];
+    uid = uid;
+    group = "users";
     shell = pkgs.zsh;
   };
 
-  defaultUser = "daniel";
+  defaultUser = {
+    userName = "daniel";
+    uid = 1000;
+  };
+
 in {
   # Use the systemd-boot EFI boot loader.
   boot.kernelPackages = pkgs.linuxPackages_latest;
@@ -54,7 +60,12 @@ in {
 
   hardware.cpu.intel.updateMicrocode = true;
 
-  users.users."${defaultUser}" = mkUser defaultUser;
+  users.users."${defaultUser.userName}" = mkUser defaultUser;
+
+  users.groups."users" = {
+    gid = 100;
+  };
+
   xdg.portal.wlr.enable = true;
 
   # List packages installed in system profile. To search, run:
@@ -89,8 +100,8 @@ in {
 
     syncthing = {
       enable = true;
-      user = defaultUser;
-      dataDir = "/home/${defaultUser}";
+      user = defaultUser.userName;
+      dataDir = "/home/${defaultUser.userName}";
     };
 
     tailscale = {