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Docker has always used microVMs (well since 2016)

9 hours ago
  • MicroVMs are considered more secure than traditional Linux Docker containers.
  • Docker Desktop has always used microVMs, originally via VirtualBox, then evolved to a custom library VMM built using Mirage Unikernel libraries.
  • The microVM technology uses a minimal Linux kernel and root filesystem based on LinuxKit.
  • This technology powers both Docker Desktop and Docker Sandboxes, enabling native app experience and secure isolation.
  • Docker Sandboxes allow secure execution of coding agents with strict governance and isolation.