We’re introducing Durable Object Facets, allowing Dynamic Workers to instantiate Durable Objects with their own isolated SQLite databases. This enables developers to build platforms that run persistent, stateful code generated on-the-fly.

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Cloudflare

Cloudflare is releasing Durable Object Facets in open beta, a feature that lets Dynamic Workers instantiate Durable Object classes with their own isolated SQLite databases. This enables platform developers to build AI-generated or user-generated apps that run in secure sandboxes with persistent, stateful storage. The supervisor pattern allows platform owners to retain control over resource usage, logging, and billing while the dynamic code gets its own isolated database. A complete code example demonstrates an AppRunner Durable Object that loads agent-written code, executes it as a facet, and gives it a separate SQLite database — all without pre-provisioning through the Cloudflare API.

Durable Objects in Dynamic Workers: Give each AI-generated app its own database