From 3d1976a7a54a4b4c4408c5f129f1694a80ff2056 Mon Sep 17 00:00:00 2001
From: MOH <info@mohfarawati.de>
Date: Sat, 7 Mar 2026 19:19:58 +0100
Subject: [PATCH] fix favicon delivery and cache invalidation

---
 app/apple-icon.png/route.ts              |  20 +++++
 app/favicon.ico                          | Bin 25931 -> 0 bytes
 app/favicon.ico/route.ts                 |  20 +++++
 app/layout.tsx                           |   8 ++
 app/manifest.ts                          |  30 +++++++
 app/uploads/media/[...segments]/route.ts |   1 +
 lib/metadata.ts                          |  19 +++--
 lib/site-icons.tsx                       | 102 +++++++++++++++++++++++
 8 files changed, 193 insertions(+), 7 deletions(-)
 create mode 100644 app/apple-icon.png/route.ts
 delete mode 100644 app/favicon.ico
 create mode 100644 app/favicon.ico/route.ts
 create mode 100644 app/manifest.ts
 create mode 100644 lib/site-icons.tsx

diff --git a/app/apple-icon.png/route.ts b/app/apple-icon.png/route.ts
new file mode 100644
index 0000000..06e8288
--- /dev/null
+++ b/app/apple-icon.png/route.ts
@@ -0,0 +1,20 @@
+import { NextResponse } from "next/server";
+
+import { buildFallbackIconResponse, getDynamicSiteIconUrls } from "@/lib/site-icons";
+
+export const dynamic = "force-dynamic";
+export const revalidate = 0;
+
+export async function GET() {
+  const iconUrls = await getDynamicSiteIconUrls();
+
+  if (iconUrls.faviconAssetUrl) {
+    const response = NextResponse.redirect(iconUrls.faviconAssetUrl, 307);
+
+    response.headers.set("Cache-Control", "no-store, max-age=0");
+
+    return response;
+  }
+
+  return buildFallbackIconResponse(iconUrls.siteName, 180);
+}
diff --git a/app/favicon.ico b/app/favicon.ico
deleted file mode 100644
index 718d6fea4835ec2d246af9800eddb7ffb276240c..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/app/favicon.ico/route.ts b/app/favicon.ico/route.ts
new file mode 100644
index 0000000..a833a32
--- /dev/null
+++ b/app/favicon.ico/route.ts
@@ -0,0 +1,20 @@
+import { NextResponse } from "next/server";
+
+import { buildFallbackIconResponse, getDynamicSiteIconUrls } from "@/lib/site-icons";
+
+export const dynamic = "force-dynamic";
+export const revalidate = 0;
+
+export async function GET() {
+  const iconUrls = await getDynamicSiteIconUrls();
+
+  if (iconUrls.faviconAssetUrl) {
+    const response = NextResponse.redirect(iconUrls.faviconAssetUrl, 307);
+
+    response.headers.set("Cache-Control", "no-store, max-age=0");
+
+    return response;
+  }
+
+  return buildFallbackIconResponse(iconUrls.siteName, 32);
+}
diff --git a/app/layout.tsx b/app/layout.tsx
index 3625f22..8a330b3 100644
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -1,11 +1,17 @@
 import type { Metadata } from "next";
+import { unstable_noStore as noStore } from "next/cache";
 import { getLocale } from "next-intl/server";
 import { ThemeProvider } from "@/components/theme-provider";
 import { buildAppMetadata } from "@/lib/metadata";
 import { getDirection } from "@/lib/locale";
 import "./globals.css";
 
+export const dynamic = "force-dynamic";
+export const revalidate = 0;
+
 export async function generateMetadata(): Promise<Metadata> {
+  noStore();
+
   return buildAppMetadata();
 }
 
@@ -14,6 +20,8 @@ export default async function RootLayout({
 }: Readonly<{
   children: React.ReactNode;
 }>) {
+  noStore();
+
   const locale = await getLocale().catch(() => "de");
 
   return (
diff --git a/app/manifest.ts b/app/manifest.ts
new file mode 100644
index 0000000..85f6668
--- /dev/null
+++ b/app/manifest.ts
@@ -0,0 +1,30 @@
+import type { MetadataRoute } from "next";
+
+import { getDynamicSiteIconUrls } from "@/lib/site-icons";
+
+export const dynamic = "force-dynamic";
+export const revalidate = 0;
+
+export default async function manifest(): Promise<MetadataRoute.Manifest> {
+  const iconUrls = await getDynamicSiteIconUrls();
+
+  return {
+    name: iconUrls.siteName,
+    short_name: iconUrls.siteName,
+    icons: [
+      {
+        src: iconUrls.appleIconHref,
+        sizes: "180x180",
+        type: "image/png",
+      },
+      {
+        src: iconUrls.faviconHref,
+        sizes: "32x32",
+        type: "image/x-icon",
+      },
+    ],
+    display: "standalone",
+    background_color: "#ffffff",
+    theme_color: "#111827",
+  };
+}
diff --git a/app/uploads/media/[...segments]/route.ts b/app/uploads/media/[...segments]/route.ts
index 9da8ed6..a62225e 100644
--- a/app/uploads/media/[...segments]/route.ts
+++ b/app/uploads/media/[...segments]/route.ts
@@ -13,6 +13,7 @@ type MediaFileRouteProps = {
 export const dynamic = "force-dynamic";
 
 const CONTENT_TYPES: Record<string, string> = {
+  ".ico": "image/x-icon",
   ".jpg": "image/jpeg",
   ".jpeg": "image/jpeg",
   ".png": "image/png",
diff --git a/lib/metadata.ts b/lib/metadata.ts
index 0bd57d2..8c011cc 100644
--- a/lib/metadata.ts
+++ b/lib/metadata.ts
@@ -12,6 +12,7 @@ import {
   getSiteSettingsMediaBindings,
 } from "./app-config";
 import { AppLocale, getLocalizedPath, resolveLocale } from "./locale";
+import { buildSiteIconUrls } from "./site-icons";
 
 function getSiteUrl(): URL {
   return new URL(process.env.NEXT_PUBLIC_SITE_URL ?? "https://mohfarawati.de");
@@ -69,19 +70,23 @@ export function buildAppMetadataFromConfig(
 ): Metadata {
   const defaultLocaleSettings = settings.locales[routing.defaultLocale];
   const openGraphImages = buildMetadataImages(bindings.defaultOgImage?.url);
+  const siteIconUrls = buildSiteIconUrls({
+    siteName: defaultLocaleSettings.siteName,
+    faviconAssetId: bindings.favicon?.assetId,
+    faviconUrl: bindings.favicon?.url,
+  });
 
   return {
     metadataBase: getSiteUrl(),
     title: defaultLocaleSettings.siteName,
     description: defaultLocaleSettings.siteDescription,
     applicationName: defaultLocaleSettings.siteName,
-    icons: bindings.favicon?.url
-      ? {
-          icon: [bindings.favicon.url],
-          shortcut: [bindings.favicon.url],
-          apple: [bindings.favicon.url],
-        }
-      : undefined,
+    manifest: siteIconUrls.manifestHref,
+    icons: {
+      icon: [{ url: siteIconUrls.faviconHref }],
+      shortcut: [{ url: siteIconUrls.faviconHref }],
+      apple: [{ url: siteIconUrls.appleIconHref }],
+    },
     openGraph: {
       title: defaultLocaleSettings.siteName,
       description: defaultLocaleSettings.siteDescription,
diff --git a/lib/site-icons.tsx b/lib/site-icons.tsx
new file mode 100644
index 0000000..f2d454a
--- /dev/null
+++ b/lib/site-icons.tsx
@@ -0,0 +1,102 @@
+import { ImageResponse } from "next/og";
+
+import { routing } from "@/i18n/routing";
+
+import { getSiteSettings, getSiteSettingsMediaBindings } from "./app-config";
+
+const INTERNAL_FAVICON_PATH = "/favicon.ico";
+const INTERNAL_APPLE_ICON_PATH = "/apple-icon.png";
+const INTERNAL_MANIFEST_PATH = "/manifest.webmanifest";
+const DEFAULT_ICON_VERSION = "default";
+
+type SiteIconInput = {
+  siteName: string;
+  faviconAssetId?: string | null;
+  faviconUrl?: string | null;
+};
+
+type SiteIconUrls = {
+  siteName: string;
+  version: string;
+  faviconHref: string;
+  appleIconHref: string;
+  manifestHref: string;
+  faviconAssetUrl: string | null;
+};
+
+function appendVersionToUrl(url: string, version: string): string {
+  const base = url.startsWith("http://") || url.startsWith("https://") ? undefined : "https://local.invalid";
+  const resolved = new URL(url, base);
+
+  resolved.searchParams.set("v", version);
+
+  if (base) {
+    return `${resolved.pathname}${resolved.search}${resolved.hash}`;
+  }
+
+  return resolved.toString();
+}
+
+function getFallbackLabel(siteName: string): string {
+  const firstCharacter = siteName.trim().charAt(0).toUpperCase() || "M";
+
+  return firstCharacter;
+}
+
+export function buildSiteIconUrls(input: SiteIconInput): SiteIconUrls {
+  const siteName = input.siteName.trim() || "Moh";
+  const version = input.faviconAssetId?.trim() || DEFAULT_ICON_VERSION;
+
+  return {
+    siteName,
+    version,
+    faviconHref: appendVersionToUrl(INTERNAL_FAVICON_PATH, version),
+    appleIconHref: appendVersionToUrl(INTERNAL_APPLE_ICON_PATH, version),
+    manifestHref: appendVersionToUrl(INTERNAL_MANIFEST_PATH, version),
+    faviconAssetUrl: input.faviconUrl ? appendVersionToUrl(input.faviconUrl, version) : null,
+  };
+}
+
+export async function getDynamicSiteIconUrls(): Promise<SiteIconUrls> {
+  const [settings, bindings] = await Promise.all([getSiteSettings(), getSiteSettingsMediaBindings()]);
+  const defaultLocaleSettings = settings.locales[routing.defaultLocale];
+
+  return buildSiteIconUrls({
+    siteName: defaultLocaleSettings.siteName,
+    faviconAssetId: bindings.favicon?.assetId,
+    faviconUrl: bindings.favicon?.url,
+  });
+}
+
+export function buildFallbackIconResponse(siteName: string, size: number) {
+  const label = getFallbackLabel(siteName);
+
+  return new ImageResponse(
+    (
+      <div
+        style={{
+          width: "100%",
+          height: "100%",
+          display: "flex",
+          alignItems: "center",
+          justifyContent: "center",
+          background: "linear-gradient(135deg, #111827 0%, #0f766e 100%)",
+          color: "#f8fafc",
+          fontSize: size * 0.52,
+          fontWeight: 700,
+          letterSpacing: "-0.08em",
+          borderRadius: size * 0.22,
+        }}
+      >
+        {label}
+      </div>
+    ),
+    {
+      width: size,
+      height: size,
+      headers: {
+        "Cache-Control": "no-store, max-age=0",
+      },
+    },
+  );
+}