Add nightcity host

hosts/nightcity/configuration.nix

@@ -0,0 +1,42 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ config, modulesPath, pkgs, inputs, ... }:
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      (modulesPath + "/virtualisation/proxmox-lxc.nix")
+      ../modules/base.nix
+      # ../modules/kafka-mounts.nix
+      ../modules/server.nix
+    ];
+
+  nix.settings = { sandbox = false; };
+  proxmoxLXC = {
+    manageNetwork = false;
+    privileged = true;
+  };
+
+  documentation.man = {
+    man-db.enable = false;
+  };
+
+  networking.firewall.allowedTCPPorts = [
+    8000
+  ];
+
+  networking.hostName = "nightcity"; # Define your hostname.
+
+  environment.systemPackages = with pkgs; [
+  ];
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "25.05"; # Did you read the comment?
+}