add minification

flake.nix

@@ -29,9 +29,16 @@
           name = "website";
           src = ./src;
           dontUnpack = true;
+          buildInputs = [pkgs.minify];
           installPhase = ''
-            mkdir -p $out
+            mkdir workspace                     # create workspace directory
-            cp -r $src/* $out
+            cp -v -r $src/* workspace           # copy all files to workspace
+            chmod -v -R u+w workspace           # enable write permissions
+            mkdir -v minified                   # create minified directory
+            minify -v -r -o minified workspace  # minify all compatible files
+            mkdir -v -p $out                    # create output directory
+            cp -v -r workspace/* $out           # copy files to output directory
+            cp -v -r minified/workspace/* $out  # copy minified files to output directory
           '';
         };
       };