我正在尝试设置一个 Docker 容器来测试 Magento 扩展。我希望使用这样的 Dockerfile 来做到这一点:
FROM php:5.4-apache
WORKDIR /var/www/html
ADD http://www.magentocommerce.com/downloads/assets/1.9.0.1/magento-1.9.0.1.tar.gz /var/www/html
# Other installation steps
但这失败了:
2014/09/27 17:03:25 lchown /mnt/sda1/var/lib/docker/aufs/mnt/d5ced8f20d760458093f2993ea25ffa9a644c93d5b134e793f820f53dfc2d70d/var/www/html/tmp: not a directory
我认为这与我在 OS X 上使用 boot2docker 有关。(我记得不久前 OS X 与 Docker 存在一些文件系统共享问题。)所以我再次尝试使用这个 Dockerfile:
FROM php:5.4-apache
WORKDIR /var/www/html
# We should be able to use ADD to fetch a remote file, but
# something is causing that to fail (OS X Docker limitations, I guess?)
RUN ["/usr/bin/curl", "-O", "http://www.magentocommerce.com/downloads/assets/1.9.0.1/magento-1.9.0.1.tar.gz"]
RUN ["/bin/tar", "-xzf", "magento-1.9.0.1.tar.gz"]
# Other installation steps
当我运行上面的代码时,curl 执行得很好并且没有错误地退出,但是生成的容器不包含下载的文件,所以下游的 tar 命令失败。
Step 2 : RUN ["/usr/bin/curl", "-O", "http://www.magentocommerce.com/downloads/assets/1.9.0.1/magento-1.9.0.1.tar.gz"]
---> Running in 2695c5e95f77
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 21.9M 100 21.9M 0 0 817k 0 0:00:27 0:00:27 --:--:-- 842k
---> bb716a60c4ef
Removing intermediate container 2695c5e95f77
Step 3 : RUN ["/bin/tar", "-xzf", "magento-1.9.0.1.tar.gz"]
---> Running in 95cc533947c1
tar (child): magento-1.9.0.1.tar.gz: Cannot open: No such file or directory
tar (child): Error is not recoverable: exiting now
/bin/tar: Child returned status 2
/bin/tar: Error is not recoverable: exiting now
2014/09/27 17:07:47 The command [/bin/tar -xzf magento-1.9.0.1.tar.gz] returned a non-zero code: 2
如果我检查中间容器,文件确实不存在。
$ docker run bb716a60c4ef /bin/sh -c 'pwd && ls -al'
/var/www/html
total 8
drwxr-xr-x 2 www-data www-data 4096 Sep 27 21:09 .
drwxr-xr-x 4 root root 4096 Sep 23 11:09 ..
那么它去哪儿了,我该如何设置一个允许我下载和修改文件系统的 Dockerfile?