{
  config,
  lib,
  ...
}:
{
  ark.directories = [
    config.services.ollama.home
  ];

  hm.programs.firefox.profiles.default.bookmarks = [
    {
      name = "Bookmarks Toolbar";
      toolbar = true;
      bookmarks = [
        {
          name = "Ollama";
          url = "http://eonwe.shire.net:11435";
        }
        {
          name = "Open WebUI";
          url = "http://eonwe.shire.net:11436";
        }
      ];
    }
  ];

  services = {
    ollama = {
      enable = true;

      host = "0.0.0.0";
      port = 11434;

      user = "ollama";
      group = "ollama";

      acceleration = "rocm";
      rocmOverrideGfx = "11.0.0";

      environmentVariables.OLLAMA_ORIGINS = lib.concatStringsSep "," [
        "http://eonwe.shire.net:11434"
        "http://eonwe.shire.net:11435"
        "http://eonwe.shire.net:11436"
      ];

      openFirewall = true;
    };

    nextjs-ollama-llm-ui = {
      enable = true;

      hostname = "0.0.0.0";
      port = 11435;

      ollamaUrl = "http://eonwe.shire.net:11434";
    };

    open-webui = {
      enable = true;

      host = "0.0.0.0";
      port = 11436;

      environment = {
        ANONYMIZED_TELEMETRY = "False";
        DO_NOT_TRACK = "True";
        ENABLE_SIGNUP = "False";
        OLLAMA_BASE_URL = "http://eonwe.shire.net:11434";
        SCARF_NO_ANALYTICS = "True";
        WEBUI_AUTH = "False";
        WEBUI_URL = "http://eonwe.shire.net:11436";
      };

      openFirewall = true;
    };
  };

  systemd.services.ollama.serviceConfig = {
    StateDirectory = lib.mkForce config.services.ollama.home;
    DynamicUser = lib.mkForce false;
    User = config.services.ollama.user;
    Group = config.services.ollama.group;
  };

  users = {
    users.ollama = {
      isSystemUser = true;
      group = "ollama";
      inherit (config.services.ollama) home;
      uid = 241; # Reuses a removed ID from Nixpkgs.
    };
    groups.ollama.gid = 241;
  };

  my.extraGroups = [ "ollama" ];
}