fix(og): match klz exact runner env and logic

Dockerfile

@@ -60,9 +60,19 @@ RUN pnpm build
 # Excel generation moved to post-deploy
 
 # Stage 2: Runner
-FROM git.infra.mintel.me/mmintel/runtime:latest AS runner
+FROM node:20-alpine AS runner
 WORKDIR /app
 
+# Install dependencies for health checks and system compatibility
+RUN apk add --no-cache libc6-compat curl
+
+# Create nextjs user and group
+RUN addgroup --system --gid 1001 nodejs && \
+    adduser --system --uid 1001 nextjs && \
+    chown -R nextjs:nodejs /app
+
+USER nextjs
+
 ENV HOSTNAME="0.0.0.0"
 ENV PORT=3000
 ENV NODE_ENV=production

app/[locale]/opengraph-image.tsx

@@ -1,5 +1,5 @@
 import { ImageResponse } from 'next/og';
-
+import { getTranslations } from 'next-intl/server';
 import { OGImageTemplate } from '@/components/OGImageTemplate';
 import { getOgFonts, OG_IMAGE_SIZE } from '@/lib/og-helper';
 
@@ -8,12 +8,14 @@ export const contentType = 'image/png';
 export const runtime = 'nodejs';
 
 export default async function Image({ params }: { params: Promise<{ locale: string }> }) {
+  const { locale } = await params;
+  const t = await getTranslations({ locale, namespace: 'Index.meta' });
   const fonts = await getOgFonts();
 
   return new ImageResponse(
     <OGImageTemplate
-      title="E-TIB GmbH | Spezialist für Kabelnetzbau"
+      title={t('title')}
-      description="Ihr Partner für Kabelnetzbau, Horizontalspülbohrungen und Glasfaser-Montage in Guben und bundesweit."
+      description={t('description')}
       label="Reliable Energy Infrastructure"
     />,
     {

lib/og-helper.tsx

@@ -1,37 +1,49 @@
 import { readFileSync } from 'fs';
 import { join } from 'path';
-import { ImageResponse } from 'next/og';
 
 /**
  * Loads the Inter fonts for use in Satori (Next.js OG Image generation).
  * Since we are using runtime = 'nodejs', we can read them from the filesystem.
  */
 export async function getOgFonts() {
-  try {
+  const boldFontPath = join(process.cwd(), 'public/fonts/Inter-Bold.woff');
-    const boldFontData = await fetch(
+  const regularFontPath = join(process.cwd(), 'public/fonts/Inter-Regular.woff');
-      new URL('../public/fonts/Inter-Bold.ttf', import.meta.url)
-    ).then((res) => res.arrayBuffer());
 
-    const regularFontData = await fetch(
+  try {
-      new URL('../public/fonts/Inter-Regular.ttf', import.meta.url)
+    console.log(`[OG] Loading fonts: bold=${boldFontPath}, regular=${regularFontPath}`);
-    ).then((res) => res.arrayBuffer());
+    const boldFontBuffer = readFileSync(boldFontPath);
+    const regularFontBuffer = readFileSync(regularFontPath);
+
+    // Satori (Vercel OG) strictly requires an ArrayBuffer, not a Node Buffer view.
+    const boldFont = boldFontBuffer.buffer.slice(
+      boldFontBuffer.byteOffset,
+      boldFontBuffer.byteOffset + boldFontBuffer.byteLength,
+    );
+    const regularFont = regularFontBuffer.buffer.slice(
+      regularFontBuffer.byteOffset,
+      regularFontBuffer.byteOffset + regularFontBuffer.byteLength,
+    );
+
+    console.log(
+      `[OG] Fonts loaded successfully (${boldFont.byteLength} and ${regularFont.byteLength} bytes)`,
+    );
 
     return [
       {
         name: 'Inter',
-        data: boldFontData,
+        data: boldFont,
-        style: 'normal' as const,
         weight: 700 as const,
+        style: 'normal' as const,
       },
       {
         name: 'Inter',
-        data: regularFontData,
+        data: regularFont,
-        style: 'normal' as const,
         weight: 400 as const,
+        style: 'normal' as const,
       },
     ];
   } catch (error) {
-    console.error(`[OG] Failed to load fonts:`, error);
+    console.error(`[OG] Failed to load fonts from ${process.cwd()}:`, error);
     return [];
   }
 }