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fix(docs): set cache control headers #5473

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Merged
kennyderek merged 8 commits into from
Dec 1, 2025
Merged

fix(docs): set cache control headers #5473

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ffcb011
try ISR
kennyderek Nov 24, 2025
63a3ba0
try again
kennyderek Nov 25, 2025
d4a4b10
try new headers
kennyderek Nov 25, 2025
ad52193
cache control headers
kennyderek Nov 25, 2025
a9b526d
alter cache control values
coltondotio Nov 25, 2025
e05c4d6
Revert "alter cache control values"
kennyderek Dec 1, 2025
6599442
push
kennyderek Dec 1, 2025
b1677de
Merge branch 'app' into kenny/revalidate-900
kennyderek Dec 1, 2025
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12 changes: 10 additions & 2 deletions packages/fern-docs/bundle/src/middleware.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -329,7 +329,11 @@ export const middleware: NextMiddleware = async (request) => {
rewritePath,
reason: "Self-hosted mode - using static route"
});
return rewrite(rewritePath);
const response = rewrite(rewritePath);
// Set CDN cache headers for static pages: no browser cache, 7 min CDN cache + 1 day stale-while-revalidate
response.headers.set("Cache-Control", "public, max-age=1, s-maxage=1, stale-while-revalidate=120");
response.headers.set("CDN-Cache-Control", "max-age=1, stale-while-revalidate=120");
return response;
}

const { getAuthState } = await createGetAuthStateEdge(request, (token) => {
Expand All @@ -342,7 +346,11 @@ export const middleware: NextMiddleware = async (request) => {
return rewrite(withDomain(`/dynamic/${encodeURIComponent(conformTrailingSlash(pathname))}`));
}

return rewrite(withDomain(`/static/${encodeURIComponent(conformTrailingSlash(pathname))}`));
const response = rewrite(withDomain(`/static/${encodeURIComponent(conformTrailingSlash(pathname))}`));
response.headers.set("Cache-Control", "public, max-age=1, s-maxage=1, stale-while-revalidate=120");
response.headers.set("CDN-Cache-Control", "max-age=1, stale-while-revalidate=120");
response.headers.set("Vercel-CDN-Cache-Control", "max-age=86400, stale-while-revalidate=120");
return response;
};

const response = getResponse();
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