SitecoreAI CMS (XM Cloud) Next.js on GCP Cloud Run, Part 2: ISR with Google Cloud Storage as Distributed Cache
Part 1 got SitecoreAI running on Cloud Run with pure SSR. The next step was ISR: pages cached, served fast, regenerated on TTL. On Vercel it's a checkbox. On Cloud Run it turned into a three-day detour through a Redis dead-end before landing on Google Cloud Storage as the distributed cache. Here's why the obvious choice silently breaks ISR, why GCS works, and the full implementation.
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