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[Dockerfiles] Used best practices for apt-get

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See https://docs.docker.com/engine/userguide/eng-image/dockerfile_best-practices/#apt-get

- Replaced `-y install` with `install -y` (unification)

- Put every package on its own line

- Moved `rm -rf /var/lib/apt/lists/*` in the same `RUN` statement as `apt-get`

- Removed unnecessary `apt-get clean`
  See https://github.com/moby/moby/blob/03e2923e42446dbb830c654d0eec323a0b4ef02a/contrib/mkimage/debootstrap#L82-L105
This commit is contained in:
Michael Käufl
2017-05-13 15:52:16 +02:00
parent d0d0961006
commit 9ab9d76240
7 changed files with 40 additions and 28 deletions
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data/Dockerfiles/clamav/Dockerfile
+3 -5
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@@ -8,14 +8,12 @@ ENV DEBIAN_VERSION stretch
RUN echo "deb http://http.debian.net/debian/ $DEBIAN_VERSION main contrib non-free" > /etc/apt/sources.list && \
echo "deb http://http.debian.net/debian/ $DEBIAN_VERSION-updates main contrib non-free" >> /etc/apt/sources.list && \
echo "deb http://security.debian.org/ $DEBIAN_VERSION/updates main contrib non-free" >> /etc/apt/sources.list && \
apt-get update && \
DEBIAN_FRONTEND=noninteractive apt-get install --no-install-recommends -y -qq \
apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y -qq --no-install-recommends \
clamav-daemon \
clamav-freshclam \
libclamunrar7 \
curl && \
apt-get clean && \
rm -rf /var/lib/apt/lists/*
curl \
&& rm -rf /var/lib/apt/lists/*
# initial update of av databases
COPY dl_files.sh /dl_files.sh