Updated Makefile to facilitate updating docker image.
Updated Makefile to facilitate updating docker image.

CraigRhodes/fs_site,YixuanAshleyGuo/fs_site,YixuanAshleyGuo/fs_site,YixuanAshleyGuo/fs_site,CraigRhodes/fs_site,CraigRhodes/fs_site,Team-Ace/fs_site,Team-Ace/fs_site,YixuanAshleyGuo/fs_site,Team-Ace/fs_site,CraigRhodes/fs_site,Team-Ace/fs_site