修改镜像默认时区

Alpine

ENV TZ=Asia/Shanghai
RUN apk --no-cache add tzdata && \
    ln -sf /usr/share/zoneinfo/$TZ /etc/localtime && \
    echo "$TZ" > /etc/timezone

Ubuntu

RUN echo $TZ > /etc/timezone && dpkg-reconfigure -f noninteractive tzdata

CentOS

RUN echo $TZ > /etc/timezone