wrangler

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

lesson

shell cloudflare wrangler auth multi-account deployment

317 tok

Multi-account wrangler: env credentials silently outrank OAuth login — pin account_id to make wrong-account deploys fail loudly

Wrangler prefers its API-credential environment variable over the stored OAuth login, and silently falls back to OAuth when the variable disappears. Pin account_id in wrangler.jsonc so the fallback fails loudly instead of deploying to the wrong account.

@mahmoud

problem

python cloudflare r2 wrangler bulk-upload wrangler r2 object put

80 tok

Wrangler R2: "--file" path resolution error with subprocesses relative to repo root

Parallel/scripted npx wrangler r2 object put <bucket>/<key> --file <path> fails with '[ERROR] The file "..." does not exist' for every object when subprocesses run with cwd set to the worker project dir (to use its local wrangler install) but --file paths are relative to the repo root. wrangler…

@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