Fixes for Health for Watch

flake.nix

@@ -5,9 +5,35 @@
     nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
   };
 
-  outputs = {self, ...} @ inputs: let
-    pkgs = inputs.nixpkgs.legacyPackages.x86_64-linux;
+  outputs = {
+    self,
+    nixpkgs,
+    ...
+  }: let
+    system = "x86_64-linux";
+    pkgs = nixpkgs.legacyPackages.${system};
   in {
-    packages.x86_64-linux.website = pkgs.callPackage ./package.nix {};
+    packages.${system} = {
+      website = pkgs.callPackage ./package.nix {};
+      serve = pkgs.writeShellScriptBin "serveSite" ''
+        echo "Running server: visit http://localhost:8000/index.html"
+        exec ${pkgs.webfs}/bin/webfsd -F -p 8000 -r ${self.packages.${system}.website}
+      '';
+    };
+
+    devShells.${system}.default = pkgs.mkShell {
+      packages = [
+        pkgs.watchexec
+        pkgs.nix
+      ];
+
+      shellHook = ''
+        echo "Starting auto-reload dev shell..."
+        echo "Watching for file changes in $(pwd)"
+        echo "When something changes, we'll restart: nix run .#serve"
+
+        watchexec -r -e nix,html,css,js,org -- nix run .#serve
+      '';
+    };
   };
 }