hotfix: serve icon.svg + apple-icon.png as static assets#13
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Same failure mode as the OG route handlers: Next's app-router treats src/app/icon.svg and src/app/apple-icon.png as metadata files and emits them as prerendered route handlers (.body + .meta pairs). OpenNext Cloudflare doesn't promote those to static assets, so on preview they return 404. Slack's unfurl then has no usable favicon and omits it. Move both files to public/ so they're plain static assets, and declare them explicitly in the layout's icons metadata so Next still emits the <link> tags. favicon.ico stays in src/app/ (Next handles that one; works already). Result: /icon.svg and /apple-icon.png both land in the worker's assets bundle and serve via the edge CDN. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Deploying with
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| Status | Name | Latest Commit | Preview URL | Updated (UTC) |
|---|---|---|---|---|
| ✅ Deployment successful! View logs |
docs-preview | 1f623ab | Commit Preview URL Branch Preview URL |
Apr 23 2026, 03:36 PM |
This was referenced May 13, 2026
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Summary
Same failure mode as the OG route handlers before we fixed them. Next's app-router treats
src/app/icon.svgandsrc/app/apple-icon.pngas metadata files and emits them as prerendered route handlers (.body+.meta). OpenNext doesn't promote those to static assets → 404 on preview → Slack unfurl has no favicon.Move both to
public/+ declare expliciticonsmetadata in the layout. favicon.ico stays put (Next handles that one correctly).Test plan
pnpm build+pnpm exec opennextjs-cloudflare buildsucceed.open-next/assets/icon.svgand.open-next/assets/apple-icon.pngpresent/icon.svgand/apple-icon.pngreturn 200 on preview