Docker has always used microVMs (well since 2016)
The article explains that Docker Desktop has utilized microVM technology for years to provide secure, isolated environments for containers. It positions this architecture as a foundational element for modern AI agent sandboxing.
Why it matters
Understanding the history of container security is critical for developers building and deploying AI agents that require strict isolation.
There's a lot of buzz about "microVMs", where a workload runs with a stripped down Linux kernel, on a minimalist VMM such as firecracker (announced at re:Invent 2018 ) on top of a hypervisor like KVM or Xen. MicroVMs are often contrasted to, and considered more secure than, traditional Linux Docker containers. What if I told you that Docker Desktop has always used microVMs?
When I joined Docker in 2015 the state of the art was Docker Toolbox . It used VirtualBox , which is a great product with lots of features. VirtualBox has its own GUI and its own update process; way more than we needed for Docker.
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