{
  description = "Learning Pulse";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
  };

  outputs =
    { self
    , nixpkgs
    , maven
    , makeWrapper
    , ...
    }:
    let
      overlays = [
        (final: prev: rec {
          jdk = prev."jdk22";
          maven = prev.maven.override { inherit jdk; };
        })
      ];

      supportedSystems = [
        "x86_64-linux"
        "aarch64-linux"
      ];

      forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
        pkgs = import nixpkgs { inherit overlays system; };
      });

    in
    {
      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; [
            jdk
            maven
          ];
        };
      });
    };
}