{ config, pkgs, ... }:
{
  imports = [
    ../../modules/headless.nix

    ../../modules/ssh-fde-unlock.nix
    ../../modules/ssh-server.nix
    ../../modules/docker.nix

    ../../modules/lid-switch-handling.nix
    ../../modules/sendmail-mta.nix
    ../../modules/journalwatch.nix
  ];

  # Download BikeTripPlanner Git repository.
  home-manager.users."yoda" = { osConfig, config, pkgs, ... }: {
    home.file."readonly-git/BikeTripPlanner".source = (builtins.fetchGit {
      url = "https://github.com/langbein-daniel/BikeTripPlanner";
      #rev = "6d4daf18235189825b0c314901b1617ece6d8641";
      #submodules = true;
    });
  };

  # Start BikeTripPlanner during boot.
  # To few the log, run
  #   journalctl -b -u BikeTripPlanner -f
  #
  systemd.services."BikeTripPlanner" = {
    description = "Start BikeTripPlanner";
    path = with pkgs; [
      docker
    ];
    script = ''
      docker compose -f /home/yoda/readonly-git/BikeTripPlanner/deployment/btp-only.yml up -d --wait
    '';
    # Start after login.
    wantedBy = [ "multi-user.target" ];
  };
}