sandbox-sdklisted

# Cloudflare Sandbox SDK Build secure, isolated code execution environments on Cloudflare Workers. ## FIRST: Verify Installation ```bash npm install @cloudflare/sandbox docker info # Must succeed - Docker required for local dev ``` ## Retrieval Sources Your knowledge of the Sandbox SDK may be outdated. **Prefer retrieval over pre-training** for any Sandbox SDK task. | Resource | URL | |----------|-----| | Docs | https://developers.cloudflare.com/sandbox/ | | API Reference | https://developers.cloudflare.com/sandbox/api/ | | Examples | https://github.com/cloudflare/sandbox-sdk/tree/main/examples | | Get Started | https://developers.cloudflare.com/sandbox/get-started/ | When implementing features, fetch the relevant doc page or example first. ## Required Configuration **wrangler.jsonc** (exact - do not modify structure): ```jsonc { "containers": [{ "class_name": "Sandbox", "image": "./Dockerfile", "instance_type": "lite", "max_instances": 1 }], "durable_objects": { "bindings": [{ "class_name": "Sandbox", "name": "Sandbox" }] }, "migrations": [{ "new_sqlite_classes": ["Sandbox"], "tag": "v1" }] } ``` **Worker entry** - must re-export Sandbox class: ```typescript import { getSandbox } from '@cloudflare/sandbox'; export { Sandbox } from '@cloudflare/sandbox'; // Required export ``` ## Quick Reference | Task | Method | |------|--------| | Get sandbox | `getSandbox(env.Sandbox, 'user-123')` | | Run command | `await sandbox.exec('python s