Add minecraft server config

modules/minecraft/default.nix

@@ -0,0 +1,55 @@
+{ pkgs, config, inputs, ... }:
+{
+  imports = [
+    inputs.nix-minecraft.nixosModules.minecraft-servers
+  ];
+
+  nixpkgs.overlays = [
+    inputs.nix-minecraft.overlay
+  ];
+
+  services.nginx.virtualHosts."minecraft.katkak.dev" = {
+    forceSSL = true;
+    enableACME = true;
+
+    locations."/vanilla" = 
+      let
+        serverProperties = config.services.minecraft-servers.servers.vanilla-server.serverProperties;
+      in
+      {
+        proxyPass = "http://${toString serverProperties.server-ip}:${serverProperties.server-port}";
+      };
+
+      proxyWebsockets = true;
+
+      extraConfig = ''
+        proxy_pass_header Authorization;
+      '';
+  };
+
+  services.minecraft-servers = {
+    enable = true;
+    eula = true;
+
+    servers = {
+      vanilla-server = {
+        enable = true;
+
+        package = pkgs.vanillaServers.vanilla-1_21_10;
+
+        serverProperties = {
+          motd = "KatKak's Vanilla Server";
+          white-list = true;
+          max-players = 5;
+          enable-command-block = true;
+
+          server-ip = "127.0.0.1";
+          server-port = 43000;
+        };
+
+        jvmOpts = "-Xms4096M -Xmx4096M -XX:+UseG1GC";
+      };
+    };
+  };
+}
+