From f1ccbea121e20505990c283531125c91cd052697 Mon Sep 17 00:00:00 2001
From: Devin Finlinson <devin.finlinson@pm.me>
Date: Thu, 26 Jun 2025 14:45:23 -0600
Subject: minecraft modded server time

---
 modules/nixos/minecraft-server.nix | 44 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 modules/nixos/minecraft-server.nix

(limited to 'modules')

diff --git a/modules/nixos/minecraft-server.nix b/modules/nixos/minecraft-server.nix
new file mode 100644
index 0000000..8b83f34
--- /dev/null
+++ b/modules/nixos/minecraft-server.nix
@@ -0,0 +1,44 @@
+{ pkgs, config, inputs, ... } :
+let
+  # Keys that can access the state of each instance (read/write!) over an rsync module
+  # Leave empty to disable
+  rsyncSSHKeys = config.users.users.defin.openssh.authorizedKeys.keys;
+  jre17 = pkgs.temurin-bin-17;
+
+  defaults = {
+    # 5 minutes tick timeout, for heavy packs
+    max-tick-time = 5 * 60 * 1000;
+    # It just ain't modded minecraft without flying around
+    allow-flight = true;
+  };
+in {
+  # minecraft server is closed source
+  nixpkgs.config.allowUnfree = true;
+
+  imports = [ inputs.mms.module ];
+  services.modded-minecraft-servers = {
+    # This is mandatory for legal reasons.
+    eula = true;
+
+    # the name will be used for the state folder and system user.
+    # in this case, the folder is '/var/lib/mc-deceasedcraft'
+    # and the user is 'mc-deceasedcraft'
+    deceasedcraft = {
+      enable = true;
+      inherit rsyncSSHKeys;
+      jvmMaxAllocation = "8G";
+      jvmInitialAllocation = "2G";
+      jvmPackage = jre17;
+
+      # I believe these options match services.minecraft-server.serverProperties options
+      serverConfig = defaults // {
+        # Port must be unique
+        server-port = 25565;
+        rcon-port = 25566;
+        gamemode = "survival";
+        motd = "Welcome to DeceasedCraft";
+        max-players = 10;
+      };
+    };
+  };
+}
-- 
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