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sirkonst/docker-prune.service

Created November 22, 2018 12:25
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Remove unused docker resources with systemd (service and timer)
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docker-prune.service
[Unit]
Description=Remove unused docker resources
Documentation=https://docs.docker.com/v17.09/engine/admin/pruning/
After=docker.service
[Service]
Type=oneshot
ExecStart=/usr/bin/docker system prune -f --filter "until=744h"
ExecStart=/usr/bin/docker volume prune -f
TimeoutSec=10m
[Install]
WantedBy=multi-user.target
Raw
docker-prune.timer
[Unit]
Description=Run docker-prune daily
[Timer]
OnCalendar=daily
Persistent=true
[Install]
WantedBy=timers.target
@sirkonst
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  • Put files into /etc/systemd/system/
  • Run systemctl daemon-reload
  • Run systemctl enable docker-prune.timer
  • Run systemctl start docker-prune.timer

@sirkonst
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Run manually: systemctl start docker-prune
Check result: systemctl status docker-prune or journalctl -u docker-prune

@stueja
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stueja commented Oct 15, 2023

Should you not want to start docker-prune.timer right after configuration but rather at the configured time, run systemctl restart timers.target instead. (https://unix.stackexchange.com/questions/563896/systemd-timer-will-not-fire/563897#563897)

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