Dockerfile

FROM ubuntu:16.04
MAINTAINER mustafa.bayrak@windowslive.com

ENV DEBIAN_FRONTEND noninteractive

ENV BIND_USER=bind \
    BIND_VERSION=1:910.3 \
    WEBMIN_VERSION=1.881 \
    DATA_DIR=/data \
	GPG_KEY=http://www.webmin.com/jcameron-key.asc
	#GPG_KEY=https://gist.githubusercontent.com/enoch85/092c8f4c4f5127b99d40/raw/186333393163b7e0d50c8d3b25cae4d63ac78b22/jcameron-key.asc

RUN rm -rf /etc/apt/apt.conf.d/docker-gzip-indexes
RUN apt-get update && \
	apt-get install apt-utils wget -y && \
	wget ${GPG_KEY} -qO - | apt-key add - && \
	echo "deb http://download.webmin.com/download/repository sarge contrib" >> /etc/apt/sources.list && \
	apt-get update && apt-get dist-upgrade -y && \
	apt-get install -y bind9 bind9-host webmin=${WEBMIN_VERSION} dnsutils
RUN rm -rf /var/lib/apt/lists/*

COPY entrypoint.sh /sbin/entrypoint.sh
RUN chmod 755 /sbin/entrypoint.sh

EXPOSE 53/udp 53/tcp 10000/tcp
ENTRYPOINT ["/sbin/entrypoint.sh"]
CMD ["/usr/sbin/named"]