Dockfile文件顶部有两行：

# RUN export http_proxy=192.168.1.10:1080
# RUN export https_proxy=192.168.1.10:1080

取消注释，proxy IP换成可用的IP。

from dnmp.

还是不行 我换成本机的ip 取消注释 报的错误还是一样.....

from dnmp.

这里的IP是指可访问外国网的代理IP。
或者在docker-compose.yml文件的php-fpm块给容器加上DNS，如：

  dns
    - 8.8.8.8
    - 8.8.4.4

from dnmp.

还是不行 我都快崩溃了 别人都没遇到这个问题嘛 。。。。坑
php-fpm:
build: .
expose:
- "9000"
dns:
- 8.8.8.8
- 8.8.4.4
volumes:
- ./www/:/var/www/html/:rw
- ./conf/php/php.ini:/usr/local/etc/php/php.ini:ro
- ./conf/php/php-fpm.d/www.conf:/usr/local/etc/php-fpm.d/www.conf:rw
- ./log/php-fpm/:/var/log/php-fpm/:rw
links:
- mysql:mysql

Get:8 http://deb.debian.org jessie/main amd64 Packages [9035 kB]
Fetched 9788 kB in 5min 57s (27.3 kB/s)
W: Failed to fetch http://security.debian.org/dists/jessie/updates/main/binary-amd64/Packages Hash Sum mismatch

W: Failed to fetch http://deb.debian.org/debian/dists/jessie/main/binary-amd64/Packages Hash Sum mismatch

E: Some index files failed to download. They have been ignored, or old ones used instead.
ERROR: Service 'php-fpm' failed to build: The command '/bin/sh -c apt-get update' returned a non-zero code: 100

from dnmp.

在Dockerfile 改了下源 之前不行 这次尝试又可以了。。。。。。

FROM php:fpm

You may need proxy

#RUN export http_proxy=192.168.1.10:1080
#RUN export https_proxy=192.168.1.10:1080

RUN mv /etc/apt/sources.list /etc/apt/sources.list.bak

RUN echo "deb http://mirrors.aliyun.com/debian/ jessie main non-free contrib" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/debian/ jessie-proposed-updates main non-free contrib" >> /etc/apt/sources.list
RUN echo "deb-src http://mirrors.aliyun.com/debian/ jessie main non-free contrib" >> /etc/apt/sources.list
RUN echo "deb-src http://mirrors.aliyun.com/debian/ jessie-proposed-updates main non-free contrib" >> /etc/apt/sources.list

from dnmp.

OK，这个问题主要和网络环境，DNS解析，以及ubuntu容器的源有关。

from dnmp.