FROM mcr.microsoft.com/mssql/server:2017-latest-ubuntu

RUN apt update && apt install -y tzdata && \
  apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

ENV TZ=Asia/Shanghai
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone