Docker Cloud Sandboxes Provide a Consistent Sandbox Abstraction Across Laptop and Cloud

“A laptop is built around a person. It sleeps when the lid closes.” That’s Docker’s framing for Cloud Sandboxes: the same hardware-enforced microVM isolation as local Docker Sandboxes, just hosted, so you can leave a dozen coding agents running for hours unattended. sbx move my-project --to cloud captures the filesystem and recreates it on the other side. Agent infrastructure is quietly becoming its own ops problem.