Dockerfile基础镜像添加国内源

1. Debian

FROM python:3.8
WORKDIR /app
RUN sed -i 's/deb.debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list
RUN sed -i 's/security.debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list
RUN apt-get update -y \
        && apt-get --allow-unauthenticated install -y --no-install-recommends \
            build-essential \
            default-libmysqlclient-dev \
            libpq-dev \
            libsasl2-dev \
            libecpg-dev \
        && rm -rf /var/lib/apt/lists/*
RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && echo 'Asia/Shanghai' >/etc/timezone