Simon Willison • 2/3/2026

Introducing Deno Sandbox

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The article introduces Deno Sandbox, a hosted sandbox product from the Deno Deploy platform. It allows users to create and execute code in a secure, isolated environment via Python or JavaScript client libraries. Key features include up to 4GB RAM, 2 vCPUs, 10GB storage, network domain controls, and a clever secret management system that prevents code within the sandbox from directly accessing API keys. Billing is based on CPU time, memory, and storage usage.

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#deno #Containerization #API Security
Introducing Deno Sandbox

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