IMAGE alpine3.8_3.8.4-190620 COPY https://github.com/gliderlabs/docker-alpine/raw/rootfs/library-3.8/x86_64/versions/library-3.8/x86_64/rootfs.tar.xz RUN EOF # Update packages apk --no-cache upgrade # Install s6 supervisor apk --no-cache add libxml2 libxslt ncurses-libs s6 # Cleanup rm -rf /etc/crontabs/root /etc/periodic EOF