{ lib, modulesPath, ... }:

{
  # LXC containers share the host kernel — Proxmox starts them by exec'ing
  # /sbin/init directly, no bootloader/initrd involved — and Proxmox has its
  # own container hostname/network provisioning outside Nix. nixpkgs' own
  # virtualisation/proxmox-lxc.nix module already handles all of this
  # correctly (boot.isContainer, loader.initScript, systemd-networkd) and,
  # critically, provides config.system.build.tarball — a directly
  # `pct restore`-able container image, no nixos-install/bind-mount needed
  # (nixos-install refuses to touch the filesystem it's currently running
  # on, which is exactly what bind-mounting / onto /mnt for an installer
  # LXC container does).
  imports = [
    (modulesPath + "/virtualisation/proxmox-lxc.nix")
  ];

  proxmoxLXC = {
    # host.nix declares each host's real hostname (networking.hostName);
    # keep that instead of letting Proxmox's ambient container config win.
    manageHostName = true;
    # Unprivileged matches how these containers are actually created.
    privileged = false;
  };

  boot.loader = {
    grub.enable = false;
    systemd-boot.enable = false;
  };

  # NetworkManager depends on a running udevd to enumerate/classify devices,
  # which boot.isContainer disables (see nixpkgs' container-config.nix) —
  # that's what broke DHCP-hostname registration in Pi-hole. The imported
  # proxmox-lxc.nix module already switches networking to systemd-networkd
  # for the same reason; it just doesn't disable NetworkManager itself,
  # which modules/common/configuration.nix enables for every host.
  networking.networkmanager.enable = lib.mkForce false;
}