RUN REPO=http://cdn-fastly.deb.debian.org && \ echo "deb $REPO/debian jessie main\ndeb $REPO/debian jessie-updates main\ndeb $REPO/debian-security jessie/updates main" > /etc/apt/sources.list ARG DEBIAN_FRONTEND=noninteractive RUN apt-get update --yes && apt-get install --no-install-recommends --yes \ automake \ autogen \ bash \ build-essential \ bc \ bzip2 \ ca-certificates \ curl \ file \ gettext \ gzip \ zip \ make \ ncurses-dev \ pkg-config \ libtool \ python \ python-pip \ rsync \ sed \ ssh \ bison \ flex \ tar \ pax \ vim \ wget \ xz-utils \ zlib1g-dev && \ apt-get clean --yes ENV GOSU_VERSION 1.10 RUN set -x \ && apt-get update && rm -rf /var/lib/apt/lists/* \ && dpkgArch="$(dpkg --print-architecture | awk -F- '{ print $NF }')" \ && curl -# -o /usr/local/bin/gosu -LO "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch" \ && curl -# -o /usr/local/bin/gosu.asc -LO "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch.asc" \ && export GNUPGHOME="$(mktemp -d)" \ && gpg --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 \ && gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu \ && rm -r "$GNUPGHOME" /usr/local/bin/gosu.asc \ && chmod +x /usr/local/bin/gosu \ && gosu nobody true