1 files changed, 40 insertions, 0 deletions
diff --git a/minecraft.nix b/minecraft.nix
new file mode 100644
index 0000000..d40d80a
--- /dev/null
+++ b/minecraft.nix
@@ -0,0 +1,40 @@
+{lib, ...}:{
+  # The Mojang server jar is unfreeRedistributable, so it has to be allowed by name.
+  nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+    "minecraft-server"
+  ];
+
+  services.minecraft-server = {
+    enable = true;
+    eula = true;
+    openFirewall = true; # Opens the port the server is running on (25565)
+    declarative = true;
+    whitelist = {
+      # This is a mapping of Minecraft usernames to to the players' UUIDs
+      mr_5aturn = "2b811fad-e419-401e-9185-70ab279219b5";
+    };
+    serverProperties = {
+      server-port = 25565;
+      difficulty = "normal";
+      gamemode = "survival";
+      max-players = 5;
+      motd = "NixOS Minecraft server!";
+      white-list = true;
+    };
+    jvmOpts = "-Xms4096M -Xmx4096M";
+  };
+
+  systemd.services.minecraft-server = {
+    startLimitBurst = 5;
+    startLimitIntervalSec = 300;
+    serviceConfig = {
+      NoNewPrivileges = true;
+
+      ProtectSystem = "full";
+
+      MemoryMax = "6G";
+      TasksMax = 512;
+      RestartSec = "10s";
+    };
+  };
+}