Simple typst application

flake.nix

@@ -1,5 +1,5 @@
 {
-  description = "Using typst as 3rd party flake in devshell";
+  description = "Simple typst application";
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     flake-utils.url = "github:numtide/flake-utils";
@@ -14,7 +14,16 @@
        in
        {
          packages = {
-          default = pkgs.hello;
+          default = pkgs.stdenv.mkDerivation {
+            name = "document";
+            src = ./.;
+            buildInputs = [typst];
+            buildPhase = "${pkgs.typst}/bin/typst compile main.typ main.pdf";
+            installPhase =  ''
+            mkdir $out
+            mv main.pdf $out
+            '';
+          };
          };
          devShells.default = pkgs.mkShell {
             buildInputs = with pkgs; [deno typst];