NixOS-Config/system/server/minecraft/servers/uberbeta.nix

{pkgs, ...}: let
  common = import ../common.nix { inherit pkgs; };
  uberBukkitZip = pkgs.fetchzip {
    url = "https://github.com/Moresteck/Project-Poseidon-Uberbukkit/releases/download/2.0.0/uberbukkit-2.0.0-java17.zip";
    sha256 = "m4hgcqXJ43SnBGn6qNBGeEcXFv5Q8f/VFYJmx3aJ9PE=";
    stripRoot = false;
  };
  uberBukkit = pkgs.vanillaServers.vanilla.overrideAttrs (oldAttrs: {
    src = "${uberBukkitZip}/uberbukkit-2.0.0.jar";
  });
in {
  services.minecraft-servers.servers.uberbeta = {
    enable = true;
    package = uberBukkit;
    jvmOpts = "-Xmx512M";
    serverProperties = common.serverProperties // {
      difficulty = 3;
      server-port = 30005;
    };
  };
}