Configuration

FROM docker.io/cloudflare/sandbox:latest
RUN pip3 install --no-cache-dir pandas numpy
EXPOSE 8080  # Required for wrangler dev

FROM docker.io/cloudflare/sandbox:latest
RUN pip3 install --no-cache-dir \
    jupyter-server ipykernel matplotlib \
    pandas seaborn plotly scipy scikit-learn

FROM docker.io/cloudflare/sandbox:latest
RUN npm install -g typescript ts-node

# Dev
wrangler dev                    # Start local dev server
wrangler deploy                 # Deploy to production
wrangler tail                   # Monitor logs
wrangler containers list        # Check container status
wrangler secret put KEY         # Set secret

{
  "vars": {
    "ENVIRONMENT": "production",
    "API_URL": "https://api.example.com"
  },
  "r2_buckets": [{
    "binding": "DATA_BUCKET",
    "bucket_name": "my-data-bucket"
  }]
}

const token = env.GITHUB_TOKEN;  // From wrangler secret
await sandbox.exec('git clone ...', {
  env: { GIT_TOKEN: token }
});

{
  "triggers": {
    "crons": ["*/5 * * * *"]  // Every 5 minutes
  }
}

export default {
  async scheduled(event: ScheduledEvent, env: Env) {
    const sandbox = getSandbox(env.Sandbox, 'main');
    await sandbox.exec('echo "keepalive"');  // Wake sandbox
  }
};

{
  "vars": {
    "SANDBOX_LOG_LEVEL": "debug",  // debug | info | warn | error (default: info)
    "SANDBOX_LOG_FORMAT": "pretty" // json | pretty (default: json)
  }
}

{
  "vars": {
    "SANDBOX_INSTANCE_TIMEOUT_MS": "60000",  // Override instanceGetTimeoutMS
    "SANDBOX_PORT_TIMEOUT_MS": "120000"      // Override portReadyTimeoutMS
  }
}