{...}: {
  virtualisation.oci-containers.containers.snappymail = {
    image = "djmaze/snappymail:latest";
    autoStart = true;
    ports = ["127.0.0.1:8888:8888"];
    volumes = [
      "/home/admin/snappymail-data:/var/lib/snappymail:Z"
    ];
    environment = {
      TZ = "Europe/Berlin";
    };
    extraOptions = [
      "--label=com.centurylinklabs.watchtower.enable=true"
    ];
  };

  # Ensure the persistent data dir exists so podman's :Z relabel (statfs) succeeds on first boot.
  # Owned by 82:82 (www-data) because the container's PHP worker runs as UID 82 and must be
  # able to write to /var/lib/snappymail (SnappyMail checks is_writable on that path).
  systemd.tmpfiles.rules = [
    "d /home/admin/snappymail-data 0755 82 82 - -"
  ];
}
