docker-baseimage-ubuntu/Dockerfile

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FROM ubuntu:16.04
MAINTAINER sparklyballs
# set environment variables
ARG DEBIAN_FRONTEND="noninteractive"
ENV HOME="/root"
ENV TERM="xterm"
# set version for s6 overlay
ARG OVERLAY_VERSION="v1.18.1.5"
ARG OVERLAY_ARCH="amd64"
ARG OVERLAY_URL="https://github.com/just-containers/s6-overlay/releases/download"
ARG OVERLAY_WWW="${OVERLAY_URL}"/"${OVERLAY_VERSION}"/s6-overlay-"${OVERLAY_ARCH}".tar.gz
# create abc user and make folders
RUN \
useradd -u 911 -U -d /config -s /bin/false abc && \
usermod -G users abc && \
mkdir -p \
/app \
/config \
/defaults
# copy sources
COPY sources.list /etc/apt/
# install apt-utils
RUN \
apt-get update && \
apt-get install -y \
apt-utils && \
# install packages
apt-get install -y \
curl && \
# add s6 overlay
curl -o \
/tmp/s6-overlay.tar.gz -L \
"${OVERLAY_WWW}" && \
tar xvfz /tmp/s6-overlay.tar.gz -C / && \
# cleanup
apt-get clean && \
rm -rf \
/tmp/* \
/var/lib/apt/lists/* \
/var/tmp/*
# add local files
COPY root/ /
ENTRYPOINT ["/init"]