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直接把它阿里雲的映象覆蓋到原來的/etc/apt/sources.list檔案

cat > /etc/apt/sources.list << EOF
deb http://mirrors.aliyun.com/debian/ stretch main non-free contrib
deb http://mirrors.aliyun.com/debian/ stretch-proposed-updates main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ stretch main non-free contrib
 

deb-src http://mirrors.aliyun.com/debian/ stretch-proposed-updates main non-free contrib
EOF

這樣再進行apt-get update就快了

apt-get install就可以安裝你的程式了，在dockefile裡也可以把它新增，方便你的容器裡安裝軟體，這樣可以一勞永逸！

FROM microsoft/aspnetcore:2.0
ARG source
RUN cat > /etc/apt/sources.list << EOF deb http://mirrors.aliyun.com/debian/ stretch main non-free contrib deb http://mirrors.aliyun.com/debian/ stretch-proposed-updates main non-free contrib deb-src http://mirrors.aliyun.com/debian/ stretch main non-free contrib deb-src http://mirrors.aliyun.com/debian/ stretch-proposed-updates main non-free contrib EOF
 

RUN /bin/cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && echo 'Asia/Shanghai' >/etc/timezone
RUN apt-get update && apt-get -y install libgdiplus && apt-get clean
WORKDIR /app
EXPOSE 80
COPY ${source:-publish} .
ENTRYPOINT ["dotnet", "SMS.dll"]

這樣以後安軟體就快了。

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