This seems backwards to me. Docker is built on Linux process controls and requires the Linux kernel. I believe Docker on MacOS/Windows requires a Linux VM. > U

This seems backwards to me. Docker is built on Linux process controls and requires the Linux kernel. I believe Docker on MacOS/Windows requires a Linux VM. > Unfortunately, one of the challenges of running Docker on macOS or Windows is that these Linux primitives are unavailable. Docker Desktop goes to great lengths to emulate them without modifying the user experience of running containers. It runs a (light) Linux VM to host the Docker daemon with additional "glue" helpers to connect the Docker client, running on the host, to that VM. https://mirage.io/blog/2022-04-06.vpnkit https://mirage.io/blog/2022-04-06.vpnkit WASM and WASI would actually be a cross compatibility story because you could compile to an architecture and syscall interface that is platform agnostic.