FROM alpine:3.7 MAINTAINER "Peter Schiffer" RUN apk add --no-cache \ pdns \ pdns-backend-mysql \ pdns-doc \ python3 \ mariadb-client RUN pip3 install envtpl \ && rm -rf ~/.cache/* ENV VERSION=4.0 \ 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" ]