feat(og): migrate to co-located opengraph-image.tsx convention

apps/web/app/about/opengraph-image.tsx

@@ -0,0 +1,23 @@
+import { ImageResponse } from "next/og";
+import { OGImageTemplate } from "../../src/components/OGImageTemplate";
+import { getOgFonts, OG_IMAGE_SIZE } from "../../src/lib/og-helper";
+
+export const size = OG_IMAGE_SIZE;
+export const contentType = "image/png";
+export const runtime = "nodejs";
+
+export default async function Image() {
+  const fonts = await getOgFonts();
+
+  return new ImageResponse(
+    <OGImageTemplate
+      title="Über mich."
+      description="15 Jahre Erfahrung. Ein Ziel: Websites, die ihre Versprechen halten."
+      label="Marc Mintel"
+    />,
+    {
+      ...OG_IMAGE_SIZE,
+      fonts: fonts as any,
+    },
+  );
+}

apps/web/app/api/og/[[...slug]]/route.tsx

@@ -1,54 +0,0 @@
-import { ImageResponse } from "next/og";
-import { blogPosts } from "../../../../src/data/blogPosts";
-import { blogThumbnails } from "../../../../src/data/blogThumbnails";
-import { OGImageTemplate } from "../../../../src/components/OGImageTemplate";
-import { getOgFonts, OG_IMAGE_SIZE } from "../../../../src/lib/og-helper";
-
-export const runtime = "nodejs";
-
-export async function GET(
-  request: Request,
-  { params }: { params: Promise<{ slug?: string[] }> },
-) {
-  const { slug: slugArray } = await params;
-  const slug = slugArray?.[0] || "home";
-
-  let title: string;
-  let description: string;
-  let label: string | undefined;
-  let accentColor: string | undefined;
-  let keyword: string | undefined;
-
-  if (slug === "home") {
-    title = "Marc Mintel";
-    description =
-      "Technical problem solver's blog - practical insights and learning notes";
-    label = "Engineering";
-  } else {
-    const post = blogPosts.find((p) => p.slug === slug);
-    const thumbnail = blogThumbnails[slug];
-    title = post?.title || "Marc Mintel";
-    description =
-      post?.description ||
-      "Technical problem solver's blog - practical insights and learning notes";
-    label = post ? "Blog Post" : "Engineering";
-    accentColor = thumbnail?.accent;
-    keyword = thumbnail?.keyword;
-  }
-
-  const fonts = await getOgFonts();
-
-  return new ImageResponse(
-    <OGImageTemplate
-      title={title}
-      description={description}
-      label={label}
-      accentColor={accentColor}
-      keyword={keyword}
-    />,
-    {
-      ...OG_IMAGE_SIZE,
-      fonts: fonts as any,
-    },
-  );
-}

apps/web/app/blog/[slug]/opengraph-image.tsx

@@ -0,0 +1,43 @@
+import { ImageResponse } from "next/og";
+import { blogPosts } from "../../../src/data/blogPosts";
+import { blogThumbnails } from "../../../src/data/blogThumbnails";
+import { OGImageTemplate } from "../../../src/components/OGImageTemplate";
+import { getOgFonts, OG_IMAGE_SIZE } from "../../../src/lib/og-helper";
+
+export const size = OG_IMAGE_SIZE;
+export const contentType = "image/png";
+export const runtime = "nodejs";
+
+export default async function Image({
+  params,
+}: {
+  params: Promise<{ slug: string }>;
+}) {
+  const { slug } = await params;
+  const post = blogPosts.find((p) => p.slug === slug);
+  const thumbnail = blogThumbnails[slug];
+
+  const title = post?.title || "Marc Mintel";
+  const description =
+    post?.description ||
+    "Technical problem solver's blog - practical insights and learning notes";
+  const label = post ? "Blog Post" : "Engineering";
+  const accentColor = thumbnail?.accent;
+  const keyword = thumbnail?.keyword;
+
+  const fonts = await getOgFonts();
+
+  return new ImageResponse(
+    <OGImageTemplate
+      title={title}
+      description={description}
+      label={label}
+      accentColor={accentColor}
+      keyword={keyword}
+    />,
+    {
+      ...OG_IMAGE_SIZE,
+      fonts: fonts as any,
+    },
+  );
+}

apps/web/app/blog/[slug]/page.tsx

@@ -33,20 +33,11 @@ export async function generateMetadata({
       title: post.title,
       description: post.description,
       type: "article",
-      images: [
-        {
-          url: `/api/og/${slug}`,
-          width: 1200,
-          height: 630,
-          alt: post.title,
-        },
-      ],
     },
     twitter: {
       card: "summary_large_image",
       title: post.title,
       description: post.description,
-      images: [`/api/og/${slug}`],
     },
   };
 }

apps/web/app/contact/opengraph-image.tsx

@@ -0,0 +1,23 @@
+import { ImageResponse } from "next/og";
+import { OGImageTemplate } from "../../src/components/OGImageTemplate";
+import { getOgFonts, OG_IMAGE_SIZE } from "../../src/lib/og-helper";
+
+export const size = OG_IMAGE_SIZE;
+export const contentType = "image/png";
+export const runtime = "nodejs";
+
+export default async function Image() {
+  const fonts = await getOgFonts();
+
+  return new ImageResponse(
+    <OGImageTemplate
+      title="Kontakt."
+      description="Bereit für eine Zusammenarbeit? Lassen Sie uns gemeinsam etwas bauen, das wirklich funktioniert."
+      label="Get in touch"
+    />,
+    {
+      ...OG_IMAGE_SIZE,
+      fonts: fonts as any,
+    },
+  );
+}

apps/web/app/opengraph-image.tsx

@@ -0,0 +1,23 @@
+import { ImageResponse } from "next/og";
+import { OGImageTemplate } from "../src/components/OGImageTemplate";
+import { getOgFonts, OG_IMAGE_SIZE } from "../src/lib/og-helper";
+
+export const size = OG_IMAGE_SIZE;
+export const contentType = "image/png";
+export const runtime = "nodejs";
+
+export default async function Image() {
+  const fonts = await getOgFonts();
+
+  return new ImageResponse(
+    <OGImageTemplate
+      title="Marc Mintel"
+      description="Technical problem solver's blog - practical insights and learning notes"
+      label="Engineering"
+    />,
+    {
+      ...OG_IMAGE_SIZE,
+      fonts: fonts as any,
+    },
+  );
+}

apps/web/src/lib/og-helper.tsx

@@ -6,14 +6,36 @@ import { join } from "path";
  * Since we are using runtime = 'nodejs', we can read them from the filesystem.
  */
 export async function getOgFonts() {
-  const boldFontPath = join(
-    process.cwd(),
-    "apps/web/public/fonts/Inter-Bold.woff",
-  );
-  const regularFontPath = join(
-    process.cwd(),
-    "apps/web/public/fonts/Inter-Regular.woff",
-  );
+  // Use relative path from process.cwd() which usually is the monorepo root or apps/web
+  // We try both to be safe during different execution contexts (dev vs build vs runtime)
+  const pathsToTry = [
+    join(process.cwd(), "apps/web/public/fonts"),
+    join(process.cwd(), "public/fonts"),
+  ];
+
+  let boldFontPath = "";
+  let regularFontPath = "";
+
+  for (const basePath of pathsToTry) {
+    const b = join(basePath, "Inter-Bold.woff");
+    const r = join(basePath, "Inter-Regular.woff");
+    try {
+      if (readFileSync(b) && readFileSync(r)) {
+        boldFontPath = b;
+        regularFontPath = r;
+        break;
+      }
+    } catch (e) {
+      continue;
+    }
+  }
+
+  if (!boldFontPath || !regularFontPath) {
+    console.error(
+      `[OG] Could not find fonts in either ${pathsToTry.join(" or ")}`,
+    );
+    return [];
+  }
 
   try {
     console.log(
@@ -40,7 +62,7 @@ export async function getOgFonts() {
       },
     ];
   } catch (error) {
-    console.error(`[OG] Failed to load fonts from ${process.cwd()}:`, error);
+    console.error(`[OG] Failed to load fonts:`, error);
     return [];
   }
 }