I don't think Docker supports using Rosetta to run x86 binaries inside arm64 containers. Here's an open feature request for it: https://github.com/docker/roadmap/issues/384
I'm using an x86_64 container and it's definitely using Rosetta via binfmts because if I remove that the container won't even start
I don't think Docker supports using Rosetta to run x86 binaries inside arm64 containers. Here's an open feature request for it: https://github.com/docker/roadmap/issues/384