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Dockerfile: Delete the apt-get lists after installing

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This fixes an issue reported by Codacy and Hadolint.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
This commit is contained in:
Stefan Weil 2018-10-31 16:42:04 +01:00
parent 0869fdfd16
commit ad30f52eed
1 changed files with 3 additions and 1 deletions
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Dockerfile
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@ -4,7 +4,9 @@ FROM ubuntu
LABEL maintainer="Ian Blenke <ian@blenke.com>"
RUN apt-get update
RUN DEBIAN_FRONTEND=noninteractive apt-get install -y cmake curl git ruby bundler wget unzip
RUN DEBIAN_FRONTEND=noninteractive apt-get install -y cmake curl git ruby bundler wget unzip \
&& apt-get clean \
&& rm -rf /var/lib/apt/lists/*
RUN gem install bundler travis --no-ri --no-rdoc
RUN git clone --depth 1 https://github.com/travis-ci/travis-build ~/.travis/travis-build
RUN bundle install --gemfile ~/.travis/travis-build/Gemfile