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/zod/v3/errors.cjs

@@ -0,0 +1,17 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.defaultErrorMap = void 0;
+exports.setErrorMap = setErrorMap;
+exports.getErrorMap = getErrorMap;
+const en_js_1 = __importDefault(require("./locales/en.cjs"));
+exports.defaultErrorMap = en_js_1.default;
+let overrideErrorMap = en_js_1.default;
+function setErrorMap(map) {
+    overrideErrorMap = map;
+}
+function getErrorMap() {
+    return overrideErrorMap;
+}