Cloudflare Workers

Exploring everything you can build and run on Cloudflare's free tier — beyond static websites. Security and speed included.

Foundations

01 The Free-Tier Map What you can run on Cloudflare for free: Workers, D1, KV, R2, Durable Objects, and the security layer. ~5 min
02 Your First Worker Deploy a dynamic JSON API to Cloudflare's edge using the Wrangler CLI. Hello world to live in 5 minutes. ~10 min

Storage & Data

03 Adding Storage with KV Build a URL shortener with Workers KV — your first persistent, globally-distributed data store. ~12 min
04 SQL at the Edge with D1 Build a CRUD API backed by a real SQLite database. Full SQL, migrations, parameterized queries — all free. ~15 min

Automation

05 Cron Jobs & Scheduled Workers Automate tasks on a schedule — fetch data, clean up, aggregate — no server required. ~10 min

Auth & Domains

Going Deeper

08 Worker Languages JavaScript, TypeScript, Python, Rust, or Wasm — which to choose and hello-world in each. ~8 min

Reference

— Free-Tier Limits Cheat Sheet All quotas at a glance. Print-friendly. ref

📚 Cloudflare Workers Docs — the canonical source for everything.

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