arsene/alpine repository overview

FROM alpine

ENV TZ Asia/Shanghai

RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories \
        && apk --update add --no-cache tzdata \
        && ln -snf  /usr/share/zoneinfo/$TZ /etc/localtime \
        && echo $TZ > /etc/timezone