infra/common/nixos/hardware.nix

@@ -22,4 +22,41 @@
     };
   };
 
+  disko.devices.disk.main = {
+    device = "/dev/sda";
+    type = "disk";
+
+    content = {
+      type = "gpt";
+
+      partitions = {
+        MBR = {
+          priority = 0;
+          size = "1M";
+          type = "EF02";
+        };
+
+        ESP = {
+          priority = 1;
+          size = "500M";
+          type = "EF00";
+          content = {
+            type = "filesystem";
+            format = "vfat";
+            mountpoint = "/boot";
+          };
+        };
+
+        root = {
+          priority = 2;
+          size = "100%";
+          content = {
+            type = "filesystem";
+            format = "ext4";
+            mountpoint = "/";
+          };
+        };
+      };
+    };
+  };
 }

infra/common/resource.nix

@@ -33,7 +33,7 @@ in
   nixos.module = {
     imports = [
       inputs.agenix.nixosModules.default
-      "${inputs.nixpkgs}/nixos/modules/virtualisation/proxmox-image.nix"
+      inputs.disko.nixosModules.default
       ./options.nix
       ./nixos
     ];