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fixes suggested by James 

Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@fosiki.com> (github: SvenDowideit)
This commit is contained in:
Sven Dowideit 2014-03-12 22:02:24 +10:00
parent cadd94f44c
commit 8bf63d5326
2 changed files with 9 additions and 11 deletions
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8
docs/sources/examples/apt-cacher-ng.Dockerfile
View File

@ -1,9 +1,9 @@
#
# BUILD docker build -t apt-cacher .
# RUN docker run -d -p 3142:3142 -name apt-cacher-run apt-cacher
# Build: docker build -t apt-cacher .
# Run: docker run -d -p 3142:3142 -name apt-cacher-run apt-cacher
#
# and then you can run containers with:
# docker run -t -i -rm -e http_proxy http://dockerhost:3142/ debian bash
# docker run -t -i -rm -e http_proxy http://dockerhost:3142/ debian bash
#
FROM ubuntu
MAINTAINER SvenDowideit@docker.com
@ -11,5 +11,5 @@ MAINTAINER SvenDowideit@docker.com
VOLUME ["/var/cache/apt-cacher-ng"]
RUN apt-get update ; apt-get install -yq apt-cacher-ng
EXPOSE 3142
EXPOSE 3142
CMD chmod 777 /var/cache/apt-cacher-ng ; /etc/init.d/apt-cacher-ng start ; tail -f /var/log/apt-cacher-ng/*

12
docs/sources/examples/apt-cacher-ng.rst
View File

@ -37,11 +37,11 @@ To see the logfiles that are 'tailed' in the default command, you can use:
$ sudo docker logs -f test_apt_cacher_ng
To get your Debian based containers to use the proxy, you can do one of three things
To get your Debian-based containers to use the proxy, you can do one of three things
1. Add an apt Proxy setting ``echo 'Acquire::http { Proxy "http://dockerhost:3142"; };' >> /etc/apt/conf.d/01proxy``
2. Set and environment variable: ``http_proxy=http://dockerhost:3142/``
3. Change your sources.list entries to start with ``http://dockerhost:3142/``
2. Set an environment variable: ``http_proxy=http://dockerhost:3142/``
3. Change your ``sources.list`` entries to start with ``http://dockerhost:3142/``
**Option 1** injects the settings safely into your apt configuration in a local
version of a common base:
@ -49,9 +49,7 @@ version of a common base:
.. code-block:: bash
FROM ubuntu
RUN echo 'Acquire::http { Proxy "http://dockerhost:3142"; };' >> /etc/apt/apt.conf.d/01proxy
RUN apt-get update ; apt-get install vim git
# docker build -t my_ubuntu .
@ -64,10 +62,10 @@ break other HTTP clients which obey ``http_proxy``, such as ``curl``, ``wget`` a
$ sudo docker run -rm -t -i -e http_proxy=http://dockerhost:3142/ debian bash
**Option 3** is the least portable, but there will be times when you might need to
do it - and you can do it from your Dockerfile too.
do it and you can do it from your ``Dockerfile`` too.
Apt-cacher-ng has some tools that allow you to manage the repository, and they
can be used by leveraging the ``VOLUME``, and the image we built to run the
can be used by leveraging the ``VOLUME`` instruction, and the image we built to run the
service:
.. code-block:: bash