FROM alpine:3.7 MAINTAINER "Peter Schiffer" RUN set -xe \ && apk update --no-cache && apk upgrade --no-cache \ && apk add --update --no-cache pdns pdns-backend-mysql pdns-doc python3 mariadb-client \ && rm -rf /var/cache/apk/* RUN pip3 install envtpl \ && rm -rf ~/.cache/* ENV VERSION=4.0.4 \ PDNS_guardian=yes \ PDNS_setuid=pdns \ PDNS_setgid=pdns \ PDNS_launch=gmysql EXPOSE 53 53/udp COPY pdns.conf.tpl / COPY docker-cmd.sh / CMD [ "/docker-cmd.sh" ]