nixos/system/services/minecraft.nix

{
  config,
  pkgs,
  ...
}: {
  services.minecraft-server = {
    enable = true;
    package = pkgs.papermcServers.papermc-1_20_4;
    eula = true;
    openFirewall = true;
    declarative = true;
    jvmOpts = "-Xmx4G -Xms4G";
    whitelist = {
      "pixelifytica" = "b1848d60-4ddd-4fa4-a328-fb269910b6ae";
      "HomeInTheClouds" = "d49f0aee-f217-477b-9516-9d5906f7fc87";
    };
    serverProperties = {
      server-port = 25565;
      difficulty = "easy";
      gamemode = "survival";
      force-gamemode = true;
      max-players = 10;
      # level-seed = 238902389203;
      motd = "NixOS Minecraft server!";
      white-list = true;
    };
  };

  # Caddy forwarding
  services.caddy.virtualHosts = {
    "craft.xenia.me.uk".extraConfig = "reverse_proxy http://localhost:${toString config.services.minecraft-server.serverProperties.server-port}";
    "bedrock.xenia.me.uk".extraConfig = "reverse_proxy http://localhost:19132";
  };
}