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- FROM alpine:3.21
- LABEL maintainer = "The Infrastructure Company GmbH <info@servercow.de>"
- RUN apk add --update --no-cache \
- curl \
- bind-tools \
- coreutils \
- unbound \
- bash \
- openssl \
- drill \
- tzdata \
- syslog-ng \
- supervisor \
- && curl -o /etc/unbound/root.hints https://www.internic.net/domain/named.cache \
- && chown root:unbound /etc/unbound \
- && adduser unbound tty \
- && chmod 775 /etc/unbound
- EXPOSE 53/udp 53/tcp
- COPY docker-entrypoint.sh /docker-entrypoint.sh
- # healthcheck (dig, ping)
- COPY healthcheck.sh /healthcheck.sh
- COPY syslog-ng.conf /etc/syslog-ng/syslog-ng.conf
- COPY supervisord.conf /etc/supervisor/supervisord.conf
- COPY stop-supervisor.sh /usr/local/sbin/stop-supervisor.sh
- RUN chmod +x /healthcheck.sh
- HEALTHCHECK --interval=30s --timeout=10s \
- CMD sh -c '[ -f /tmp/healthcheck_status ] && [ "$(cat /tmp/healthcheck_status)" -eq 0 ] || exit 1'
- ENTRYPOINT ["/docker-entrypoint.sh"]
- CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/supervisord.conf"]
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