nix: make docker work!!

flake.nix

@@ -15,20 +15,19 @@
         name = "plapkit";
         src = ./.;
         vendorHash = "sha256-YY7Hj7lSq7vEoMEIu/zmweWzd7p7KF+4YCUX2SJ7kwI=";
-
-        nativeBuildInputs = [pkgs.musl];
-        ldflags = [
-          # "-s -w"
-          "-linkmode external"
-          "-extldflags '-static -L${pkgs.musl}/lib'"
-        ];
       };
 
       packages.container = pkgs.dockerTools.buildImage {
+        # fromImage = baseImage;
         name = "noe/plapkit";
         tag = "latest";
+        copyToRoot = pkgs.buildEnv {
+          name = "image-root";
+          paths = [ packages.default ];
+          pathsToLink = [ "/bin" ];
+        };
         config = {
-          Cmd = [ "${packages.default}" ];
+          Cmd = [ "/bin/plapkit" ];
         };
       };
     };