From 722ea91e1d40817dc9c025237d71b31004fb49e2 Mon Sep 17 00:00:00 2001
From: dish <pyrox@pyrox.dev>
Date: Wed, 25 Mar 2026 16:08:15 -0400
Subject: [PATCH] [marvin] add JAVA_TOOL_OPTIONS to grimmory

---
 hosts/marvin/services/booklore.nix | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/hosts/marvin/services/booklore.nix b/hosts/marvin/services/booklore.nix
index 81a90523..17949d04 100644
--- a/hosts/marvin/services/booklore.nix
+++ b/hosts/marvin/services/booklore.nix
@@ -16,6 +16,15 @@ let
       group = "booklore";
     };
   };
+
+  javaOptions = [
+    "-XX:+UseShenandoahGC"
+    "-XX:ShenandoahGCHeuristics=compact"
+    "-XX:+UseCompactObjectHeaders"
+    "-XX:MaxRAMPercentage=20.0"
+    "-XX:InitialRAMPercentage=4.0"
+    "-XX:+ExitOnOutOfMemoryError"
+  ];
 in
 {
   systemd = {
@@ -50,7 +59,15 @@ in
         description = "Grimmory Server";
         wantedBy = [ "multi-user.target" ];
         after = [ "grimmory-db-proxy.service" ];
-        path = [ pkgs.unrar-free ];
+        # Required as binaries to use on the path
+        # unrar is used for working with CBX files(extensions .cbz, .cbr, .cb7), which are all comic books
+        # kepubify is used for converting EPUB files to KEPUB, or Kobo Enhanced EPUB
+        # ffmpeg is used for extracting metadata from audiobooks
+        path = [
+          pkgs.unrar-free
+          pkgs.kepubify
+          pkgs.ffmpeg_7-headless
+        ];
         environment = {
           BOOKLORE_PORT = toString d.port;
           TZ = "America/New_York";
@@ -59,6 +76,7 @@ in
           APP_PATH_CONFIG = "/var/lib/booklore/data";
           APP_BOOKDROP_FOLDER = "/var/lib/booklore/bookdrop";
           APP_VERSION = "v${self'.packages.grimmory.version}";
+          JAVA_TOOL_OPTIONS = lib.concatStringsSep " " javaOptions;
         };
 
         serviceConfig = {
-- 
2.51.2