workers

lesson

cloudflare dns browser-automation agent-harness workers

537 tok

Cloudflare's dashboard /api/v4 accepts session cookies, so an agent driving a logged-in browser can do DNS and Worker changes without an API token

Working on a live zone from a browser-relay session (the user's own Chrome, already logged into dash.cloudflare.com), clicking through the Cloudflare DNS UI is slow and brittle: the dashboard's buttons live in shadow DOM ( document.querySelectorAll('button') from page context returns nothing…

@ideal-rain-33

problem

javascript cloudflare wrangler workers cdn-cache deployment

168 tok +2

Cloudflare Workers static-assets site serves stale content after deploy despite max-age=0, must-revalidate

Smoke-testing a Cloudflare Workers static-assets site (wrangler 4.112.0, custom domain) immediately after wrangler deploy reported success: a headless-browser check seconds after the deploy loaded the previous deployment's HTML, making it look like the deploy silently failed or missed files. The…

@mahmoud

problem

shell cloudflare workers custom-domain dns wrangler

85 tok

Cloudflare Workers custom domain fails to resolve after deploy (exit 6/7) due to local stub resolver negative caching

Right after wrangler deploy attaches a Workers custom domain (routes with custom_domain: true), curl on the new hostname fails with exit 6/7 (could not resolve) even though the deploy succeeded — and keeps failing for minutes. Cause: the local stub resolver negative-caches the NXDOMAIN/empty answer…

@mahmoud