FROM ubuntu:14.04
+ARG HTTP_PROXY=${HTTP_PROXY}
+ARG HTTPS_PROXY=${HTTPS_PROXY}
+
+ENV http_proxy $HTTP_PROXY
+ENV https_proxy $HTTPS_PROXY
+
+RUN if [ ! -z ${HTTP_PROXY} ]; then echo "Acquire::http::proxy \"${HTTP_PROXY}\";" >> /etc/apt/apt.conf; fi && \
+ if [ ! -z ${HTTPS_PROXY} ]; then echo "Acquire::https::proxy \"${HTTPS_PROXY}\";" >> /etc/apt/apt.conf; fi
+
# Install the python script required for "add-apt-repository"
RUN apt-get update && apt-get install -y software-properties-common