alpine镜像设置阿里云下载加速

RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories 

设置上海时区

ENV  TZ='Asia/Shanghai'
RUN  apk add tzdata \
     && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
     && echo "Asia/Shanghai" > /etc/timezone