我的Dockerfile是:FROMgliderlabs/alpine:3.3RUNset-x\&&buildDeps='\python-dev\py-pip\build-base\'\&&apk--updateaddpythonpy-lxmlpy-mysqldb$buildDeps\&&rm-rf/var/cache/apk/*\&&mkdir-p/appENVINSTALL_PATH/appENVTZ=Asia/ShanghaiWORKDIR$INSTALL_PATHRUNln-snf/usr/share/zoneinfo/$TZ/etc/localtime&&echo$TZ>/e