extended flake, now also package available. fixed slides path. updated versions in code

flake.nix

@@ -4,17 +4,42 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     systems.url = "github:nix-systems/default";
+    naersk.url = "github:nix-community/naersk";
   };
 
   outputs =
-    { nixpkgs, systems, ... }:
+    {
+      nixpkgs,
+      systems,
+      naersk,
+      ...
+    }:
     let
       eachSystem = f: nixpkgs.lib.genAttrs (import systems) (system: f nixpkgs.legacyPackages.${system});
+      build_asciidoctor_revealjs = pkgs: pkgs.buildRubyGem {
+        gemName = "asciidoctor-revealjs";
+        version = "5.2.0";
+        source = {
+          type = "git";
+          url = "https://rubygems.org/downloads/asciidoctor-revealjs-5.2.0.gem";
+          sha256 = "sha256-NQSl5+ryyR3jf5YYkxT/sea/lNrZ1kbVyaJMZpG/auI=";
+        };
+      };
+
+      build_asciidoctor = pkgs: pkgs.buildRubyGem {
+        gemName = "asciidoctor";
+        version = "2.0.25";
+        source = {
+          type = "git";
+          url = "https://rubygems.org/downloads/asciidoctor-2.0.25.gem";
+          sha256 = "sha256-sG/oIrCRDU4l6g9WL+z8eUjpRuIi79lJSEnSfaQmfRk=";
+        };
+      };
     in
     {
       devShells = eachSystem (pkgs: {
         default = pkgs.mkShell {
-          name = "asist";
+          name = "docki";
           buildInputs = with pkgs; [
             gcc
             openssl.dev
@@ -24,12 +49,45 @@
             cargo
             (ruby.withPackages (
               p: with p; [
-                asciidoctor
+                (build_asciidoctor_revealjs pkgs)
+                (build_asciidoctor pkgs)
                 bundler
               ]
             ))
           ];
         };
       });
+
+      packages = eachSystem (
+        pkgs:
+        let
+          naerskLib = pkgs.callPackage naersk { };
+          runtimeDeps = with pkgs; [
+            (ruby.withPackages (
+              p: with p; [
+                (build_asciidoctor_revealjs pkgs)
+                (build_asciidoctor pkgs)
+                bundler
+              ]
+            ))
+          ];
+        in
+        {
+          default = naerskLib.buildPackage {
+            src = ./.;
+            buildInputs =[
+            ];
+            nativeBuildInputs = with pkgs; [
+              pkg-config
+              openssl.dev
+              libiconv
+              makeWrapper
+            ];
+            postInstall = ''
+              wrapProgram $out/bin/docki --prefix PATH : ${pkgs.lib.makeBinPath runtimeDeps}
+            '';
+          };
+        }
+      );
     };
 }