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tech guide

Cloudflare Workers: Not Lambda, Not Containers — It's V8 Isolates

Cloudflare Workers uses V8 Isolates instead of containers — no cold starts, global edge deployment, and direct access to D1, R2, KV, and AI via Bindings. Great for APIs, SSR, and lightweight backends; not suited for long-running tasks.

tech debug

The Correct Way to Bind a Custom Domain in Cloudflare Workers

In wrangler.jsonc, use custom_domain: true in routes with only the hostname as the pattern — no /* wildcard