Deployment, cache, indexing, and local automation notes from keeping many tiny products alive.
The bare URL served stale HTML long after I deployed. The cause was edge caching of HTML, and the fix was a no-cache rule plus knowing that Cloudflare blocks the tools you'd use to check.
Parallel deploys in batches, a sourceless deploy script, and the vercel.json line that makes the first deploy of a fresh project stop failing.
A canonical URL of '/' set in the root layout is inherited by every page — so every page tells Google it's a duplicate of the homepage. Here's the trap and the fix.
BSD tools, a Korean locale, and launchd's minimal environment each broke a scheduled job in a way the error message never explained. Five traps and their fixes.