nixos/modules/disko/proxmox.nix

{ ... }:

{
  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"
              ];
            };
          };
        };
      };
    };
  };
}