{
  description = "SCIM client Keycloak extension";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs =
    {
      nixpkgs,
      flake-utils,
      ...
    }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = nixpkgs.legacyPackages.${system};
      in
      {
        packages.default = pkgs.maven.buildMavenPackage rec {
          pname = "keycloak-scim";
          version = (
            builtins.readFile (
              pkgs.runCommand "version" { } ''
                ${pkgs.coreutils}/bin/cat ${src}/pom.xml | ${pkgs.xq-xml}/bin/xq -x "project/version" | ${pkgs.coreutils}/bin/tr -d '\n' > $out
              ''
            )
          );
          src = ./.;

          mvnHash = "sha256-y3ASPCAbgwSJNu4NiBeWNFc8YA903C0e5z0/TSlc3Og=";

          installPhase = ''
            cp target/${pname}-${version}-jar-with-dependencies.jar $out 
          '';

          # meta = with lib; {
          #   description = "Simple command line wrapper around JD Core Java Decompiler project";
          #   homepage = "https://github.com/intoolswetrust/jd-cli";
          #   license = licenses.gpl3Plus;
          #   maintainers = with maintainers; [ majiir ];
          # };
        };
        devShells.default = pkgs.mkShell {
          nativeBuildInputs = [ pkgs.maven ];
        };
      }
    );
}