added disko configuration to remove disk formatting from auto installer

flake.lock

@@ -147,11 +147,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1783703440,
+        "lastModified": 1784011430,
-        "narHash": "sha256-O3/YajjWo001VUIgD8BwaRdSNLUFe7nZ1qV5TwhRBcw=",
+        "narHash": "sha256-lDebytrYdd47IBLwvNOD+6AGeoqZ78CIKlp70hzW280=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "8f0500b9660505dc3cb647775fe9a978a74b5283",
+        "rev": "8eeec934ae0dbeca3d7868c059568a65c08b2fc3",
         "type": "github"
       },
       "original": {

flake.nix

@@ -116,6 +116,7 @@ docker = nixpkgs.lib.nixosSystem {
         nix-minimal = nixpkgs.lib.nixosSystem {
           inherit system;
           modules = [
+            inputs.disko.nixosModules.disko
             ./hosts/nix-minimal/configuration.nix
             ./modules/hardware-configuration/vm/proxmox.nix
 

hosts/nix-minimal/configuration.nix

@@ -2,14 +2,16 @@
 # your system. Help is available in the configuration.nix(5) man page, on
 # https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
 
-{ config, lib, pkgs, inputs, ... }:
+{ config, lib, pkgs, ... }:
 
 {
   imports =
     [ # Include the results of the hardware scan.
+      # inputs.disko.nixosModules.disko
       ../../modules/common/configuration.nix
       ../../modules/nix-cache/client.nix
       ../../modules/remote-builder-client.nix
+      ../../modules/disko/proxmox.nix
     ];
 
   networking.hostName = "nix-minimal"; # Define your hostname.

modules/disko/proxmox.nix

@@ -0,0 +1,44 @@
+{ ... }:
+
+{
+  disko.devices = {
+    disk.main = {
+      type = "disk";
+      device = "/dev/sda";
+
+      content = {
+        type = "gpt";
+
+        partitions = {
+          root = {
+            priority = 1;
+            size = "-8G";
+
+            content = {
+              type = "filesystem";
+              format = "ext4";
+              mountpoint = "/";
+              extraArgs = [
+                "-L"
+                "nixos"
+              ];
+            };
+          };
+
+          swap = {
+            priority = 2;
+            size = "100%";
+
+            content = {
+              type = "swap";
+              extraArgs = [
+                "-L"
+                "swap"
+              ];
+            };
+          };
+        };
+      };
+    };
+  };
+}