diff --git a/flake.nix b/flake.nix
index 538215b..87c1ca3 100644
--- a/flake.nix
+++ b/flake.nix
@@ -10,32 +10,47 @@
     , nixpkgs
     , maven
     , makeWrapper
+    , ...
     }:
     let
-      javaVersion = 22;
       overlays = [
         (final: prev: rec {
-          jdk = prev."jdk${toString javaVersion}";
-          gradle = prev.gradle.override { java = jdk; };
+          jdk = prev."jdk22";
           maven = prev.maven.override { inherit jdk; };
         })
       ];
-      supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
+
+      supportedSystems = [
+        "x86_64-linux"
+        "aarch64-linux"
+      ];
+
       forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
         pkgs = import nixpkgs { inherit overlays system; };
       });
 
     in
     {
-      hydraJobs = {
-        gateway = maven.buildMavenPackage rec {
-          pname = "learningpulse-gateway";
-          version = "1.2.1";
-          # 
-          # hello i wrote something here to test pulling
+      packages = {
+
+        learningpulse-discovery = with lib; maven.buildMavenPackage {
+          pname = "learningpulse-discovery";
+          version = "1.1.1";
+
+          src = ./eurika;
+          # todo get hash from package
+          mvnHash = lib.fakeSha256;
+          nativeBuildInputs = [ makeWrapper ];
+
+          installPhase = ''
+            mkdir -p $out/bin $out/share/jd-cli
+            install -Dm644 jd-cli/target/jd-cli.jar $out/share/jd-cli
+
+            makeWrapper ${nixpkgs.pkgs.jre8}/bin/java $out/bin/jd-cli \
+              --add-flags "-jar $out/share/jd-cli/jd-cli.jar"
+          '';
         };
       };
-
       devShells = forEachSupportedSystem ({ pkgs }: {
         default = pkgs.mkShell {
           packages = with pkgs; [