10 February 2023
Docker’s official documentation on how to enable multi-platform Docker builds is a bit intimidating, suggesting you to run the Docker image tonistiigi/binfmt in privileged mode on your machine. I searched for alternatives on Ubuntu, and found this very detailed description. However, with recent versions of Ubuntu and Docker, it is now much easier than that:
Install QEMU’s static user mode emulation binaries:
sudo apt install qemu-user-static Install Docker Engine with Buildx support according instructions here (do not install docker-ce or docker.