Re: [Qemu-devel] [PATCH v2 05/21] docker: compact debian base

[Fam Zheng <famz@redhat.com>]

On Mon, 05/08 19:17, Philippe Mathieu-Daudé wrote:
> - install common/basic tools at once
> - use eatmydata and remove apt cache to save space
> - add bison and flex and git
> - create deb-src entry and setup Emdebian in the same layer
> 
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
>  tests/docker/dockerfiles/debian.docker | 26 +++++++++++++-------------
>  1 file changed, 13 insertions(+), 13 deletions(-)
> 
> diff --git a/tests/docker/dockerfiles/debian.docker b/tests/docker/dockerfiles/debian.docker
> index d08def6a8d..dcded3ce84 100644
> --- a/tests/docker/dockerfiles/debian.docker
> +++ b/tests/docker/dockerfiles/debian.docker
> @@ -9,17 +9,17 @@
>  #
>  FROM debian:stable-slim
>  
> -# Setup some basic tools we need
> -RUN apt update
> -RUN apt install -yy aptitude ca-certificates curl
> +# Install some basic tools and common build utilities
> +RUN apt-get update && \
> +    DEBIAN_FRONTEND=noninteractive apt-get install -yy \
> +        eatmydata && \
> +    DEBIAN_FRONTEND=noninteractive eatmydata apt-get install -y --no-install-recommends \
> +        aptitude ca-certificates curl \
> +        build-essential clang git \
> +        bison flex && \
> +    apt-get clean

Any particular reason to make multiple "RUN" directives into one?

Fam

>  
> -# Setup Emdebian
> -RUN echo "deb http://emdebian.org/tools/debian/ jessie main" >> /etc/apt/sources.list
> -RUN curl http://emdebian.org/tools/debian/emdebian-toolchain-archive.key | apt-key add -
> -
> -# Duplicate deb line as deb-src
> -RUN cat /etc/apt/sources.list | sed "s/deb/deb-src/" >> /etc/apt/sources.list
> -
> -# Install common build utilities
> -RUN apt update
> -RUN apt install -yy build-essential clang
> +# Duplicate deb line as deb-src, setup Emdebian
> +RUN cat /etc/apt/sources.list | sed "s/deb/deb-src/" >> /etc/apt/sources.list && \
> +    echo "deb http://emdebian.org/tools/debian/ jessie main" >> /etc/apt/sources.list && \
> +    curl http://emdebian.org/tools/debian/emdebian-toolchain-archive.key | apt-key add -
> -- 
> 2.11.0
>