使用busybox开发一个baseimage

#!/usr/bin/env bash # Generate a very minimal filesystem based on busybox-static, # and load it into the local docker under the name "busybox".   echo >&2 echo >&2'warning: this script is deprecated - see mkimage.sh and mkimage/busybox-static' echo >&2   BUSYBOX=$(which busybox) [ "$BUSYBOX" ] || { echo "Sorry, I could not locate busybox." echo "Try 'apt-get install busybox-static'?" exit 1 }   set -e ROOTFS=${TMPDIR:-/var/tmp}/rootfs-busybox-$$-$RANDOM mkdir $ROOTFS cd $ROOTFS   mkdir bin etc dev dev/pts lib proc sys tmp touch etc/resolv.conf cp /etc/nsswitch.conf etc/nsswitch.conf echo root:x:0:0:root:/:/bin/sh > etc/passwd echo root:x:0: > etc/group ln -s lib lib64 ln -s bin sbin cp $BUSYBOX bin for X in $(busybox --list) do ln -s busybox bin/$X done rm bin/init ln bin/busybox bin/init cp /lib/x86_64-linux-gnu/lib{pthread,c,dl,nsl,nss_*}.so.* lib cp /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 lib for X in console null ptmx random stdin stdout stderr tty urandom zero do cp -a /dev/$X dev done   tar --numeric-owner -cf- . | docker import - busybox docker run -i -u root busybox /bin/echo Success.