FROM ubuntu:16.04

RUN export DEBIAN_FRONTEND=noninteractive && \
    sed -i 's/archive.ubuntu.com/us-west-2.ec2.archive.ubuntu.com/' /etc/apt/sources.list && \
    apt-get update && \
    apt-get install -y postgresql-client && \
# Cleanup
    apt-get clean && \
    rm -rf /var/lib/apt/lists/* && \
    rm -rf /tmp/*

ENTRYPOINT [ "/usr/bin/psql" ]