flake build eureka and gateway

flake.lock

@@ -2,18 +2,17 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1716293225,
-        "narHash": "sha256-pU9ViBVE3XYb70xZx+jK6SEVphvt7xMTbm6yDIF4xPs=",
-        "owner": "nixos",
+        "lastModified": 1716509168,
+        "narHash": "sha256-4zSIhSRRIoEBwjbPm3YiGtbd8HDWzFxJjw5DYSDy1n8=",
+        "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3eaeaeb6b1e08a016380c279f8846e0bd8808916",
+        "rev": "bfb7a882678e518398ce9a31a881538679f6f092",
         "type": "github"
       },
       "original": {
-        "owner": "nixos",
+        "id": "nixpkgs",
         "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
+        "type": "indirect"
       }
     },
     "root": {

flake.nix

@@ -1,61 +1,73 @@
 {
-  description = "Learning Pulse";
-
+  description = "CI, devshell and package definition for learningpulse";
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    nixpkgs.url = "nixpkgs/nixos-unstable";
   };
-
-  outputs =
-    { self
-    , nixpkgs
-    , maven
-    , makeWrapper
-    , stdenv
-    , ...
-    }:
+  outputs = { self, nixpkgs, ... }:
     let
-      overlays = [
-        (final: prev: rec {
-          jdk = prev."jdk22";
-          maven = prev.maven.override { inherit jdk; };
-        })
+
+      # TODO add more systems
+      system = "x86_64-linux";
+      pkgs = import nixpkgs { inherit system; };
+
+      buildPackages = with pkgs; [
+        jdk22
+        makeWrapper
       ];
-
-      supportedSystems = [
-        "x86_64-linux"
-        "aarch64-linux"
-      ];
-
-      forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
-        pkgs = import nixpkgs { inherit overlays system; };
-      });
-
     in
+    rec {
+      packages.${system} =
         {
-      packages = {
-        learningpulse-discovery = stdenv.mkDerivation rec {
+          learningpulse-gateway = pkgs.maven.buildMavenPackage rec {
             pname = "gateway";
-          version = "1.0";
+            version = "0.0.1";
 
             src = ./.;
-          buildInputs = [ maven ];
+            # todo get automatically
+            mvnHash = "sha256-YCK1Qujgx73cZdEx2mRip+y+66px5TxL247fBIMyoy4=";
 
-          buildPhase = ''
-            mvn --offline -Dmaven.repo.local=gateway package;
-          '';
+            nativeBuildInputs = buildPackages;
 
             installPhase = ''
-            install -Dm644 target/${pname}-${version}.jar $out/share/java
+              mkdir -p $out/bin $out/share/${pname}
+              install -Dm644 ${pname}/target/${pname}-${version}.jar $out/share/${pname}-${version}
+
+              makeWrapper ${pkgs.jre8}/bin/java $out/bin/${pname}- \
+                --add-flags "-jar $out/share/${pname}/${pname}-${version}.jar"
             '';
           };
-        devShells = forEachSupportedSystem ({ pkgs }: {
-          default = pkgs.mkShell {
-            packages = with pkgs; [
-              jdk
+          learningpulse-eureka = pkgs.maven.buildMavenPackage rec {
+            pname = "eureka";
+            version = "0.0.1";
+
+            src = ./.;
+            # todo get automatically
+            mvnHash = "sha256-YCK1Qujgx73cZdEx2mRip+y+66px5TxL247fBIMyoy4=";
+
+            nativeBuildInputs = buildPackages;
+
+            installPhase = ''
+              mkdir -p $out/bin $out/share/${pname}
+              install -Dm644 ${pname}/target/${pname}-${version}.jar $out/share/${pname}-${version}
+
+              makeWrapper ${pkgs.jre8}/bin/java $out/bin/${pname}- \
+                --add-flags "-jar $out/share/${pname}/${pname}-${version}.jar"
+            '';
+          };
+
+        };
+      hydraJobs = {
+        inherit (self)
+          packages;
+      };
+
+      devShells."${system}".default = pkgs.mkShell {
+        buildInputs = with pkgs; [
           maven
+          jdk22
+          jre8
         ];
       };
-        });
-      };
     };
+
 }

gateway/pom.xml

@@ -6,7 +6,6 @@
 		<groupId>com.learningpulse</groupId>
 		<artifactId>server</artifactId>
 		<version>0.0.1</version>
-		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<artifactId>gateway</artifactId>
 	<version>0.0.1</version>

result

@@ -0,0 +1 @@
+/nix/store/v6lrgj18jgvwli3irsdabgj5nc712gfc-gateway-0.0.1