FROM ubuntu:16.04

RUN set -x \
	&& apt-get update \
	&& apt-get install -y curl \
	&& curl -k -L -o /usr/local/bin/dingo https://github.com/pforemski/dingo/releases/download/0.13/dingo-linux-amd64 \
	&& chmod a+x /usr/local/bin/dingo \
	&& apt-get remove -y --purge curl \
	&& apt-get autoremove -y --purge \
	&& rm -rf /var/lib/apt/lists/*

CMD dingo -port 53