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fix: courses.opengolfapi.org rebuilds every page on every request (4s TTFB) #2

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fix: courses.opengolfapi.org rebuilds every page on every request (4s TTFB) #2

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11 changes: 10 additions & 1 deletion open-next.config.ts
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Original file line number Diff line number Diff line change
@@ -1,3 +1,12 @@
import { defineCloudflareConfig } from '@opennextjs/cloudflare';
import r2IncrementalCache from '@opennextjs/cloudflare/overrides/incremental-cache/r2-incremental-cache';

export default defineCloudflareConfig({});
// Without an incrementalCache, OpenNext has nowhere to persist a rendered page,
// so every prerendered route is regenerated from Supabase on EVERY request.
// Measured 2026-08-10 on courses.opengolfapi.org: `x-nextjs-cache: MISS` on six
// consecutive requests, TTFB 3.8-4.1s each, despite the response carrying
// `x-nextjs-prerender: 1` and `s-maxage=3600`. The page was already prerendered;
// there was simply no store to read it back out of.
export default defineCloudflareConfig({
incrementalCache: r2IncrementalCache,
});
7 changes: 7 additions & 0 deletions wrangler.toml
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Expand Up @@ -9,6 +9,13 @@ directory = ".open-next/assets"
binding = "ASSETS"
run_worker_first = true

# Incremental cache store for OpenNext. The binding name is not arbitrary:
# @opennextjs/cloudflare's r2-incremental-cache override reads exactly
# NEXT_INC_CACHE_R2_BUCKET.
[[r2_buckets]]
binding = "NEXT_INC_CACHE_R2_BUCKET"
bucket_name = "opengolfapi-next-cache"

# Set production secrets via:
# wrangler secret put NEXT_PUBLIC_SUPABASE_URL
# wrangler secret put NEXT_PUBLIC_SUPABASE_ANON_KEY
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