FROM alpine:3.19.0 RUN arch=$([ "$(arch)" = 'aarch64' ] && echo -n 'arm64' || echo -n 'amd64') \ && apk update \ && apk upgrade \ && apk add \ mariadb-client \ pdns \ pdns-backend-mysql \ pdns-doc \ && 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/* COPY pdns.conf.tpl docker-entrypoint.sh / ENV VERSION=4.8 \ PDNS_guardian=yes \ PDNS_setuid=pdns \ PDNS_setgid=pdns \ PDNS_launch=gmysql EXPOSE 53 53/udp HEALTHCHECK --interval=10s --timeout=10s --retries=3 --start-period=2s CMD ["pdns_control", "ping"] ENTRYPOINT [ "/docker-entrypoint.sh" ] CMD [ "/usr/sbin/pdns_server" ]