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7517aef4dc
The official documentation [0] suggests limiting the number of layers generated from a dockerfile. A layer is created for each RUN (and COPY and ADD) command. But we are only ever interested in the final image, so the intermediate layers are useless to us. Limit the number of RUN commands to limit the number of generated layers. [0] https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#minimize-the-number-of-layers Reported-by: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Cc: Peter Korsgaard <peter@korsgaard.com> Cc: Arnout Vandecappelle <arnout@mind.be> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
38 lines
1.2 KiB
Docker
38 lines
1.2 KiB
Docker
# This Dockerfile generates the docker image that gets used by Gitlab CI
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# To build it:
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# sudo docker build -t buildroot/base support/docker
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# sudo docker push buildroot/base
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FROM debian:stable
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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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# 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 -qq && \
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apt-get install -y -qq --no-install-recommends \
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build-essential cmake libc6:i386 gcc-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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apt-get -q -y autoremove && \
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apt-get -q -y clean
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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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