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https://github.com/bookwyrm-social/bookwyrm.git
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6fdc9c6118
They are currently in the same folder as the backup files which is on a volume. This makes it impossible to make changes to these scripts and have them applied the next time somebody upgrades and builds these docker images again.
21 lines
1.1 KiB
Docker
21 lines
1.1 KiB
Docker
FROM postgres:13.0
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# crontab
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RUN mkdir /backups
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COPY ./backup.sh /usr/local/bin/bookwyrm-backup.sh
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COPY ./weed.sh /usr/local/bin/bookwyrm-weed.sh
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COPY ./cronfile /etc/cron.d/cronfile
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RUN apt-get update && apt-get -y --no-install-recommends install cron
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RUN chmod 0644 /etc/cron.d/cronfile
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RUN crontab /etc/cron.d/cronfile
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RUN touch /var/log/cron.log
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# The postgres image's entrypoint expects the docker command to only contain flags to
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# pass postgres. It runs the entrypoint twice, the second times as the postgres user.
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# We need to start the cron service the first time it runs, when it's still being run
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# as the root user. We're going to add a check that looks at the first argument and
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# if it's 'cron', starts the service and then removes that argument.
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RUN awk '$0 ~ /^\t_main "\$@"$/ { print "\tif [[ $1 == cron ]]; then\n\t\techo \"POSTGRES_DB=${POSTGRES_DB}\" > /backups/.env\n\t\techo \"POSTGRES_USER=${POSTGRES_USER}\" >> /backups/.env\n\t\tservice cron start\n\t\tshift\n\tfi" }{ print }' docker-entrypoint.sh > bookwyrm-entrypoint.sh
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RUN chown postgres /bookwyrm-entrypoint.sh
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RUN chmod u=rwx,go=r /bookwyrm-entrypoint.sh
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