root
31 lines
1.0 KiB
Bash
31 lines
1.0 KiB
Bash
#!/bin/bash
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# Removes unused Docker images, stopped containers, and dangling volumes.
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# Runs every 2 hours via cron — see scripts/cronjobs.md for setup.
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LOG_FILE="/tmp/docker-cleanup.log"
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TIMESTAMP=$(date '+%Y-%m-%d %H:%M:%S')
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echo "[$TIMESTAMP] Starting Docker cleanup..." >> "$LOG_FILE"
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# Remove stopped containers
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CONTAINERS=$(docker container prune -f 2>&1)
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echo "[$TIMESTAMP] Containers: $CONTAINERS" >> "$LOG_FILE"
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# Remove dangling images (untagged layers with no container)
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DANGLING=$(docker image prune -f 2>&1)
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echo "[$TIMESTAMP] Dangling images: $DANGLING" >> "$LOG_FILE"
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# Remove unused images (not referenced by any container)
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IMAGES=$(docker image prune -a -f --filter "until=2h" 2>&1)
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echo "[$TIMESTAMP] Unused images: $IMAGES" >> "$LOG_FILE"
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# Remove unused volumes
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VOLUMES=$(docker volume prune -f 2>&1)
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echo "[$TIMESTAMP] Volumes: $VOLUMES" >> "$LOG_FILE"
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# Remove unused networks
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NETWORKS=$(docker network prune -f 2>&1)
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echo "[$TIMESTAMP] Networks: $NETWORKS" >> "$LOG_FILE"
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echo "[$TIMESTAMP] Cleanup complete." >> "$LOG_FILE"
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