nixos/hosts/common/optional/lxd/profiles/default.nix

{
  network = {
    name = "lxdBrDefault";
    type = "bridge";

    config = {
      "ipv4.address" = "10.100.1.1/8";
      "ipv4.nat" = "true";
    };
  };

  storage_pools = [
    {
      name = "postgres";
      driver = "btrfs";
      config.source = "/dev/zd0";
    }
    {
      name = "test";
      driver = "btrfs";
      config.source = "/dev/zd16";
    }
  ];

  profile = {
    name = "default";
    devices = {
      "eth0" = {
        name = "eth0";
        nictype = "bridged";
        parent = "lxdBrDefault";
        type = "nic";
      };
      "root" = {
        path = "/";
        pool = "default";
        size = "8GiB";
        type = "disk";
      };
    };
  };
}