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fix(seo): cache sitemap so Google can fetch it #34

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Merged
oratis merged 1 commit into from
Jun 27, 2026
Merged

fix(seo): cache sitemap so Google can fetch it #34

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14 changes: 10 additions & 4 deletions src/app/sitemap.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,10 +5,16 @@ import { routing } from "@/i18n/routing";
import { SCENARIOS } from "@/lib/scenarios";
import { getAllPosts } from "@/lib/blog";

// Generated at request time against the live catalog (the app renders DB pages
// dynamically and the Docker build has no DB), so the sitemap stays fresh as
// agents/skills are imported. Crawlers hit this infrequently.
export const dynamic = "force-dynamic";
// Cached (ISR) rather than force-dynamic: with ~6.8k URLs × 15-locale hreflang,
// regenerating per request takes ~13s and serializes to ~12MB, which makes
// Google's sitemap fetcher time out ("Couldn't fetch"). Instead we serve a
// cached copy and regenerate at most hourly in the background (stale-while-
// revalidate), so crawlers always get a fast response. The Docker build has no
// DB, so the build-time render falls back (via the try/catch below) to just the
// static routes; the first request after deploy fills in agents/skills and
// caches the full sitemap. Catalog changes propagate within the revalidate
// window — fine, since crawlers hit this infrequently.
export const revalidate = 3600;

// hreflang alternates for a path: one entry per locale. The canonical `url` is
// the unprefixed English URL; `alternates.languages` carries every locale so a
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