{
  description = "NixOS Immich server";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
  };

  outputs = { self, nixpkgs, ... }: {

    nixosModules.immich = { config, lib, pkgs, ... }:
      let
        cfg = config.immich;
      in
      {
        options.immich = {
          enable = lib.mkOption {type = lib.types.bool;};
          port = lib.mkOption {type = lib.types.ints.unsigned;};
        };

        config = lib.mkIf cfg.enable {
          # https://medium.com/@piyushkumarsingh.nmims/self-hosting-your-photos-with-immich-on-nixos-its-easier-than-you-think-c3d14fcabad1
          services.immich = {
            enable = true;
            port = cfg.port;
            host = "0.0.0.0"; # Makes it accessible on your network
            mediaLocation = "/var/lib/immich"; # Ensure this has enough space
            openFirewall = true; # Auto-opens the port
          };

          # nginx virtual host
          services.nginx.virtualHosts.${cfg.hostName} = {
            enableACME = true;
            acmeRoot = null;
            addSSL = true;
            # directs traffic to the appropriate port
            locations."/" = {
              proxyPass = "http://localhost:${cfg.port}";
              proxyWebsockets = true;
            };
          };
        };
      };
  };
}