docker构建错误(未安装apt-utils，无法删除‘/var/lib/apt/list’：目录不为空)
docker构建错误(未安装apt-utils，无法删除‘/var/lib/apt/list’：目录不为空)
提问于 2017-02-10 12:50:24
我正在尝试使用以下命令构建一个码头映像
docker build -t blog .以及Dockerfile：
FROM ruby:2.4
RUN apt-get update -yqq \
&& apt-get install -yqq --no-install-recommends \
postgresql-client \
&& rm -rf /var/lib/apt/lists
WORKDIR /usr/src/app
COPY Gemfile* .
RUN bundle install
COPY . .
EXPOSE 3000
CMD rails server -b 0.0.0.0我得到的结果如下：
Step 1 : FROM ruby:2.4
---> ef296fcb8c7c
Step 2 : RUN apt-get update -yqq && apt-get install -yqq --no-install-recommends postgresql-client && rm -rf /var/lib/apt/lists
---> Running in 18bfd303925d
debconf: delaying package configuration, since apt-utils is not installed
Selecting previously unselected package postgresql-client-common.
(Reading database ... 21168 files and directories currently installed.)
Preparing to unpack .../postgresql-client-common_165+deb8u2_all.deb ...
Unpacking postgresql-client-common (165+deb8u2) ...
Selecting previously unselected package postgresql-client-9.4.
Preparing to unpack .../postgresql-client-9.4_9.4.10-0+deb8u1_amd64.deb ...
Unpacking postgresql-client-9.4 (9.4.10-0+deb8u1) ...
Selecting previously unselected package postgresql-client.
Preparing to unpack .../postgresql-client_9.4+165+deb8u2_all.deb ...
Unpacking postgresql-client (9.4+165+deb8u2) ...
Setting up postgresql-client-common (165+deb8u2) ...
Setting up postgresql-client-9.4 (9.4.10-0+deb8u1) ...
update-alternatives: using /usr/share/postgresql/9.4/man/man1/psql.1.gz to provide /usr/share/man/man1/psql.1.gz (psql.1.gz) in auto mode
Setting up postgresql-client (9.4+165+deb8u2) ...
rm: cannot remove '/var/lib/apt/lists': Directory not empty
The command '/bin/sh -c apt-get update -yqq && apt-get install -yqq --no-install-recommends postgresql-client && rm -rf /var/lib/apt/lists' returned a non-zero code: 1红色是两条线：
debconf: delaying package configuration, since apt-utils is not installed
rm: cannot remove '/var/lib/apt/lists': Directory not empty为什么它不能删除目录，因为我使用的是-rf？
谢谢!
回答 1
Stack Overflow用户
发布于 2017-02-10 12:56:17
几点意见：
- 不要删除那些文件。只需再次运行
apt-get update。我是R (官方) Dockerfiles的摇杆工程的一部分，我们确实看到了这些超时。是无害的。 - 如果您坚持(我仍然反对)，对目录中的内容执行
rm /var/lib/apt/lists/*。 - 至于
apt-utils丢失，您可以直接安装它。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/42159835
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