Fix TURNSTILE_SECRET_KEY is not configured (503) on Cloudflare Workers When POST /api/contact returns 503 Turnstile not configured, TURNSTILE_SECRET_KEY is missing at request time. Fix Worker secrets, env name mismatches, and redeploy steps. Cloudflare
12 posts tagged Cloudflare.
May 2026
- Fix TURNSTILE_SECRET_KEY is not configured (503) on Cloudflare Workers When POST /api/contact returns 503 Turnstile not configured, TURNSTILE_SECRET_KEY is missing at request time. Fix Worker secrets, env name mismatches, and redeploy steps.
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Wrangler deploy dry-run in CI before merging to main A green Astro build is not the same as a deployable Worker bundle. I run wrangler deploy --dry-run on every PR so Wrangler config and bundle size fail in CI, not on main. -
Checklist before shipping a small personal site A practical pre-launch checklist for personal websites: performance, SEO basics, contact reliability, and rollback safety.
April 2026
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Turnstile + Resend Contact Form: Complete Setup for Astro A practical, end-to-end guide for adding a spam-resistant contact form to an Astro site using Cloudflare Turnstile and Resend. -
Rebuilding mayfield.io with less ceremony A short note on refreshing my personal site with Astro and Cloudflare—and how it grew into a practical blog without turning into a big project. -
Fix Resend 403 and 422 errors on an Astro contact form (Cloudflare Workers) When Turnstile passes but email still fails, Resend is usually rejecting the from address or API key. Here is how to read 403/422 responses and fix Astro + Workers config.
March 2026
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Fix Astro API route 404 on Cloudflare Workers (/api/contact) When the contact form fetch returns 404 in production, the Worker often never registered the route. Here is how prerender, build output, and file placement interact on Astro 6 + Cloudflare. -
Fix “Turnstile verification failed” on Cloudflare (403): complete checklist Seeing turnstile verification failed, turnstile has not verified, or failed to verify cloudflare turnstile token? Fix 403 errors with key pairing, hostname checks, and siteverify debugging.
February 2026
January 2026
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Build-time WebP heroes with Astro and Cloudflare compile mode Move blog hero images into the content collection, generate WebP at build time, and skip runtime /cdn-cgi/image URLs in markup. -
Astro secrets on Cloudflare Workers without leaking to the client A small readEnv helper that checks cloudflare:workers env first, then Astro env, so Turnstile and Resend work in production and locally. -
Why Cloudflare Worker logs only show some routes Static assets bypass your Worker on purpose. Here is how prerendered dist/client output maps to what you see in observability on Astro 6 + Cloudflare.