fix: Fix product page syntax errors

1. Remove duplicate/broken code in product tables section
2. Fix PostCSS config for Tailwind 4
3. Add @tailwindcss/postcss dependency
4. Remove --production flag from Dockerfile (sharp required)

All fixes enable successful Docker build with favicon working.

node_modules/astro/dist/vite-plugin-astro-server/controller.d.ts

@@ -0,0 +1,22 @@
+import type { LoaderEvents, ModuleLoader } from '../core/module-loader/index.js';
+import type { ServerState } from './server-state.js';
+type ReloadFn = () => void;
+export interface DevServerController {
+    state: ServerState;
+    onFileChange: LoaderEvents['file-change'];
+    onHMRError: LoaderEvents['hmr-error'];
+}
+type CreateControllerParams = {
+    loader: ModuleLoader;
+} | {
+    reload: ReloadFn;
+};
+export declare function createController(params: CreateControllerParams): DevServerController;
+interface RunWithErrorHandlingParams {
+    controller: DevServerController;
+    pathname: string;
+    run: () => Promise<any>;
+    onError: (error: unknown) => Error;
+}
+export declare function runWithErrorHandling({ controller: { state }, pathname, run, onError, }: RunWithErrorHandlingParams): Promise<void>;
+export {};