On an M1 Mac with Docker Desktop running: ``` docker run --rm -it ruby:3.3.1-alpine apk --print-arch armhf ``` ``` docker run --rm -it ruby:3.3.0-alpine apk --print-arch aarch64 ``` ``` docker run --rm -it ruby:3.3.1-slim-bookworm dpkg --print-architecture armel ``` ``` docker run --rm -it ruby:3.3.0-slim-bookworm dpkg --print-architecture arm64 ``` Same for amd64, it gives i386 instead.