{
  description = "nas_unlock";

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

  outputs =
    {
      self,
      nixpkgs,
      flake-utils,
    }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = nixpkgs.legacyPackages.${system};

        pname = "nix_unlock";
        version = "0.1.0";

        app = pkgs.buildGoModule {
          inherit pname version;
          src = ./.;

          vendorHash = null;

          meta = with pkgs.lib; {
            description = "Unlock your NAS via http";
            license = licenses.asl20;
            mainProgram = pname;
          };
        };

      in
      {
        packages.default = app;
        packages.${pname} = app;
        defaultPackage = app;
        apps.default = flake-utils.lib.mkApp { drv = app; };

        devShells.default = pkgs.mkShell {
          name = "${pname}-dev";

          packages = with pkgs; [
            go
            gopls
            gotools
            golangci-lint
            delve
          ];

          env = {
            GOPATH = "${placeholder "out"}/go";
            CGO_ENABLED = "0";
          };

          shellHook = ''
            echo "Go version: $(go version | awk '{print $3}')"
          '';
        };

        devShell = self.devShells.${system}.default;
      }
    );
}