{
  lib,
  modulesPath,
  ...
}:

{
  imports = [
    (modulesPath + "/profiles/qemu-guest.nix")
  ];

  boot = {
    loader.systemd-boot = {
      enable = true;
    };
    loader.efi.canTouchEfiVariables = true;
    supportedFilesystems = [ "btrfs" ];
    initrd = {
      availableKernelModules = [
        "ata_piix"
        "uhci_hcd"
        "virtio_pci"
        "sr_mod"
        "virtio_blk"
      ];
      kernelModules = [ ];
    };
    kernelModules = [ ];
    extraModulePackages = [ ];
  };

  fileSystems =
    let
      btrfsDev = "13d40c4f-baaa-4a17-9032-b25aad202384";
    in
    {
      "/" = {
        device = "none";
        fsType = "tmpfs";
        neededForBoot = true;
        options = [
          "defaults"
          "size=4G"
          "mode=755"
          "noexec"
        ];
      };

      "/tmp" = {
        device = "/dev/disk/by-uuid/${btrfsDev}";
        fsType = "btrfs";
        options = [
          "noexec"
          "noatime"
          "compress=zstd"
          "subvol=tmp"
        ];
        neededForBoot = true;
      };

      "/snapshots" = {
        device = "/dev/disk/by-uuid/${btrfsDev}";
        fsType = "btrfs";
        options = [
          "noexec"
          "noatime"
          "compress=zstd"
          "subvol=snapshots"
        ];
        neededForBoot = false;
      };

      "/persist" = {
        device = "/dev/disk/by-uuid/${btrfsDev}";
        fsType = "btrfs";
        options = [
          "noexec"
          "noatime"
          "compress=zstd"
          "subvol=persist"
        ];
        neededForBoot = true;
      };

      "/nix" = {
        device = "/dev/disk/by-uuid/${btrfsDev}";
        fsType = "btrfs";
        options = [
          "noatime"
          "compress=zstd"
          "subvol=nix"
        ];
        neededForBoot = true;
      };

      "/boot" = {
        device = "/dev/disk/by-uuid/5491-80AC";
        fsType = "vfat";
        options = [
          "fmask=0022"
          "dmask=0022"
        ];
      };
    };

  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
  # (the default) this is the recommended approach. When using systemd-networkd it's
  # still possible to use this option, but it's recommended to use it in conjunction
  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
  networking.useDHCP = lib.mkDefault true;

  time.timeZone = "Europe/Berlin";
  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}