FROM alpine:3.19.0 RUN apk add --no-cache \ pdns-recursor \ py3-pip \ python3 RUN pip3 install --no-cache-dir --break-system-packages envtpl RUN mkdir -p /etc/pdns/api.d \ && chown -R recursor: /etc/pdns/api.d \ && mkdir -p /var/run/pdns-recursor \ && chown -R recursor: /var/run/pdns-recursor ENV VERSION=4.9 \ PDNS_setuid=recursor \ PDNS_setgid=recursor \ PDNS_daemon=no EXPOSE 53 53/udp COPY recursor.conf.tpl / COPY docker-entrypoint.sh / ENTRYPOINT [ "/docker-entrypoint.sh" ] CMD [ "/usr/sbin/pdns_recursor" ]