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Updated docker File
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Christian Busch
2026-04-26 16:35:17 +02:00
parent c70334e65e
commit ca5fbceac3
2 changed files with 24 additions and 7 deletions
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7
docker/Dockerfile
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@@ -21,11 +21,12 @@ ADD https://api.github.com/repos/chrisb86/nsupdate/git/refs/heads/main /.git-has
COPY nsupdate.sh /usr/local/bin/nsupdate.sh COPY nsupdate.sh /usr/local/bin/nsupdate.sh
RUN chmod +x /usr/local/bin/nsupdate.sh RUN chmod +x /usr/local/bin/nsupdate.sh
## Setup cron job COPY docker/entrypoint.sh /usr/local/bin/entrypoint.sh
RUN echo "${SCHEDULE} sh /usr/local/bin/nsupdate.sh" >> /etc/crontabs/root RUN chmod +x /usr/local/bin/entrypoint.sh
## Start crond ## Start crond
CMD [ "crond", "-l", "2", "-f" ] ENTRYPOINT [ "/usr/local/bin/entrypoint.sh" ]
CMD [ "crond", "-f" ]
VOLUME /config VOLUME /config
VOLUME /log VOLUME /log

22
docker/entrypoint.sh
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@@ -1,4 +1,20 @@
#! /bin/sh #!/bin/sh
echo "${SCHEDULE} sh nsupdate.sh" >> /etc/crontabs/root set -eu
crond -l 2 -f > /dev/stdout 2> /dev/stderr &
SCHEDULE="${SCHEDULE:-* * * * *}"
CRON_LOG_LEVEL="${CRON_LOG_LEVEL:-2}"
CRON_FILE="/etc/crontabs/root"
printf '%s /usr/local/bin/nsupdate.sh\n' "${SCHEDULE}" > "${CRON_FILE}"
if [ "$#" -gt 0 ]; then
if [ "$1" = "crond" ]; then
shift
exec crond -l "${CRON_LOG_LEVEL}" "$@"
fi
exec "$@"
fi
exec crond -l "${CRON_LOG_LEVEL}" -f