{
  pkgs,
  lib,
  config,
  ...
}: {
  options = {
    services.jank-client = {
      enable = lib.mkEnableOption "jank client";
      package = lib.mkOption {
        description = "jank client package";
        default = pkgs.callPackage ./package.nix {};
        type = lib.types.package;
      };
      port = lib.mkOption {
        description = "port to bind to";
        default = 8080;
        type = lib.types.int;
      };
    };
  };
  config = lib.mkIf config.services.jank-client.enable {
    environment.systemPackages = [
      config.services.jank-client.package
    ];
    virtualisation.docker = {
      enable = true;
      autoPrune.enable = true;
    };
    virtualisation.oci-containers.backend = "docker";
    virtualisation.oci-containers.containers."jank-client-jank" = {
      image = "compose2nix/jank-client-jank";
      ports = [
        "${builtins.toString config.services.jank-client.port}:8080/tcp"
      ];
      log-driver = "journald";
      extraOptions = [
        "--network-alias=jank"
        "--network=jank-client_default"
      ];
    };
    systemd.services."docker-jank-client-jank" = {
      serviceConfig = {
        Restart = lib.mkOverride 90 "always";
        RestartMaxDelaySec = lib.mkOverride 90 "1m";
        RestartSec = lib.mkOverride 90 "100ms";
        RestartSteps = lib.mkOverride 90 9;
      };
      after = [
        "docker-network-jank-client_default.service"
      ];
      requires = [
        "docker-network-jank-client_default.service"
      ];
      partOf = [
        "docker-compose-jank-client-root.target"
      ];
      wantedBy = [
        "docker-compose-jank-client-root.target"
      ];
    };
    systemd.services."docker-network-jank-client_default" = {
      path = [pkgs.docker];
      serviceConfig = {
        Type = "oneshot";
        RemainAfterExit = true;
        ExecStop = "docker network rm -f jank-client_default";
      };
      script = ''
        docker network inspect jank-client_default || docker network create jank-client_default
      '';
      partOf = ["docker-compose-jank-client-root.target"];
      wantedBy = ["docker-compose-jank-client-root.target"];
    };
    systemd.services."docker-build-jank-client-jank" = {
      path = [pkgs.docker pkgs.git];
      serviceConfig = {
        Type = "oneshot";
        TimeoutSec = 300;
      };
      script = ''
        cd ${config.services.jank-client.package}/src
        docker build -t compose2nix/jank-client-jank .
      '';
    };
    systemd.targets."docker-compose-jank-client-root" = {
      unitConfig = {
        Description = "Root target generated by compose2nix.";
      };
      wantedBy = ["multi-user.target"];
    };
  };
}