c4f844ff32
In commit 7517aef4d (support/docker: limit the number of layers),
we reduced the number of layers by coalescing multiple RUN commands
into less commands.
In doing so, we especially coalesced "apt-get update" with "apt-get
install".
However, the distribution we used is a pinned version of stretch, so
we know that running apt-get update will always yield the same apt
database.
If we split the two apt-get commands, then we can re-use any local
intermediate image when we need to update the list of packages to
install; this helps quite a bit when testing the docker files over
and over again, with just slight variants in the packages list.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Cc: Peter Korsgaard <peter@korsgaard.com>
Reviewed-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
54 lines
1.8 KiB
Docker
54 lines
1.8 KiB
Docker
# This Dockerfile generates the docker image that gets used by Gitlab CI
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# To build it (YYYYMMDD.HHMM is the current date and time in UTC):
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# sudo docker build -t buildroot/base:YYYYMMDD.HHMM support/docker
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# sudo docker push buildroot/base:YYYYMMDD.HHMM
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# We use a specific tag for the base image *and* the corresponding date
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# for the repository., so do not forget to update the apt-sources.list
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# file that is shipped next to this Dockerfile.
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FROM debian:stretch-20171210
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LABEL maintainer="Buildroot mailing list <buildroot@buildroot.org>" \
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vendor="Buildroot" \
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description="Container with everything needed to run Buildroot"
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# Setup environment
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ENV DEBIAN_FRONTEND noninteractive
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# This repository can be a bit slow at times. Don't panic...
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COPY apt-sources.list /etc/apt/sources.list
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# The container has no package lists, so need to update first
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RUN dpkg --add-architecture i386 && \
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apt-get update -y
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RUN apt-get install -y --no-install-recommends \
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build-essential cmake libc6:i386 g++-multilib \
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bc ca-certificates file locales rsync \
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cvs bzr git mercurial subversion wget \
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cpio unzip \
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libncurses5-dev \
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python-nose2 python-pexpect qemu-system-arm qemu-system-x86 \
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python-pip && \
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apt-get -y autoremove && \
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apt-get -y clean
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# For check-flake8
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RUN python -m pip install --upgrade pip setuptools wheel && \
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pip install -q \
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flake8==3.5.0 \
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mccabe==0.6.1 \
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pycodestyle==2.3.1 \
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pyflakes==1.6.0
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# To be able to generate a toolchain with locales, enable one UTF-8 locale
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RUN sed -i 's/# \(en_US.UTF-8\)/\1/' /etc/locale.gen && \
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/usr/sbin/locale-gen
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RUN useradd -ms /bin/bash br-user && \
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chown -R br-user:br-user /home/br-user
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USER br-user
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WORKDIR /home/br-user
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ENV HOME /home/br-user
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ENV LC_ALL en_US.UTF-8
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