If you want to use Docker to build cross-platform images, the first step is to enable QEMU to run images targeted at others architectures via emulation. I assume you have installed Docker CE and its containerd runtime as described here, and are running on a x86_64 host. Test current ability to emulate other architectures # ... Docker: QEMU emulation to run arm64 images from native amd64 host| fabianlee.org
In this post I will share the process I went through to be able to emulate Amiibo's with a Proxmark 3 Easy.| #Tom's Weblog