{ config, pkgs, ... }:

{
  users.extraUsers.webserver = {
    uid = config.ids.uids.webserver;
    isSystemUser = true;
    description = "tlater.net web server user";
  };

  virtualisation.oci-containers.containers.webserver = {
    image = "tlaternet/webserver";

    imageFile = pkgs.dockerTools.buildImage {
      name = "tlaternet/webserver";
      tag = "latest";
      contents = pkgs.tlaternet-webserver.webserver;

      config = let
        user = config.users.extraUsers.webserver;
        group = config.users.groups.${user.group};
        uid = toString user.uid;
        gid = toString group.gid;
      in {
        Cmd = [ "tlaternet-webserver" ];
        Volumes = { "/srv/mail" = { }; };
        Env = [
          "ROCKET_PORT=3002"
          "ROCKET_TEMPLATE_DIR=${pkgs.tlaternet-templates.templates}/browser/"
        ];
        ExposedPorts = { "3002" = { }; };
        User = "${uid}:${gid}";
      };
    };

    ports = [ "3002:3002" ];
    volumes = [ "tlaternet-mail:/srv/mail" ];
    extraOptions = [
      "--hostname=tlater.net"
      # This can change with rocket 0.5.
      "--stop-signal=SIGKILL"
    ];
  };
}