FROM alpine:3.19.1 RUN arch=$([ "$(arch)" = 'aarch64' ] && echo -n 'arm64' || echo -n 'amd64') \ && apk update \ && apk upgrade \ && apk add pdns-recursor \ && wget -O subvars.apk https://github.com/kha7iq/subvars/releases/download/v0.1.5/subvars_${arch}.apk \ && apk add --allow-untrusted subvars.apk \ && rm -rf subvars.apk /var/cache/apk/* RUN mkdir -p /etc/pdns/api.d /var/run/pdns-recursor \ && chown -R recursor: /etc/pdns /var/run/pdns-recursor COPY recursor.conf.tpl docker-entrypoint.sh / ENV VERSION=4.9 \ PDNS_setuid=recursor \ PDNS_setgid=recursor \ PDNS_daemon=no EXPOSE 53 53/udp HEALTHCHECK --interval=10s --timeout=10s --retries=3 --start-period=2s CMD ["rec_control", "ping"] ENTRYPOINT [ "/docker-entrypoint.sh" ] CMD [ "/usr/sbin/pdns_recursor" ]