使用docker 制作python 镜像是报错

Question

Dockerfile 如下
FROM python:2.7
LABEL maintainer="xiaodao11 [e-mail]"
RUN pip install flask
COPY app.py /app/
WORKDIR /app
EXPOSE 5000
CMD ["python","app.py"]

docker build ....报错 ..

Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError(': Failed to establish a new connection: [Errno -3] Temporary failure in name resolution',)': /simple/selectivesearch/
Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._ve.............

环境是阿里云 服务器 centos 7

Answer 1

https://blog.csdn.net/pipisorry/article/details/50805379