FROM alpine:3.12 RUN apk add --no-cache \ mariadb-client \ pdns \ pdns-backend-mysql \ pdns-doc \ py3-pip \ python3 RUN pip3 install --no-cache-dir envtpl ENV VERSION=4.2 \ PDNS_guardian=yes \ PDNS_setuid=pdns \ PDNS_setgid=pdns \ PDNS_launch=gmysql EXPOSE 53 53/udp COPY pdns.conf.tpl / COPY docker-entrypoint.sh / ENTRYPOINT [ "/docker-entrypoint.sh" ] CMD [ "/usr/sbin/pdns_server" ]