进行Dockerfile进行构建时候，由于无法进行直连外网连接，只能通过代理进行联网构建。相关配置如下以及遇到的几个问题。
Dockerfile
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| ENV http_proxy http://x.x.x.x:3128
ENV https_proxy https://x.x.x.x:3128
ENV no_proxy x.x.x.x
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问题
问题1：curl: (35) error:1408F10B:SSL routines:SSL3_GET_RECORD:wrong version number.
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| 将Dockerfil里面的curl请求更改为wget
原：
RUN curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add -
新：
RUN wget -qO - https://packages.microsoft.com/keys/microsoft.asc | apt-key add
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问题2： Could not handshake: An unexpected TLS packet was received. [IP: x.x.x.x 3218]
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| 修改代理配置
cat /etc/apt/apt.conf
Acquire::http::proxy "http://x.x.x.x:3128";
Acquire::https::proxy "https://x.x.x.x:3128";
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