51 lines
1.5 KiB
YAML
51 lines
1.5 KiB
YAML
version: '3.8'
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# Watchtower - Automatic Container Updates
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# Phase 4: Optimization & Security
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# Ports: None (runs as background service)
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# GPU: No
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# Storage: None (reads Docker socket)
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services:
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watchtower:
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image: containrrr/watchtower:latest
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container_name: watchtower
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restart: unless-stopped
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volumes:
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- /var/run/docker.sock:/var/run/docker.sock
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environment:
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- WATCHTOWER_CLEANUP=true # Remove old images after update
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- WATCHTOWER_SCHEDULE=0 0 4 * * * # Run at 4 AM daily (cron format)
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- TZ=Europe/Amsterdam
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# Optional: Enable notifications
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# - WATCHTOWER_NOTIFICATIONS=shoutrrr
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# - WATCHTOWER_NOTIFICATION_URL= # Add notification URL (Discord, Slack, etc.)
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# Optional: Monitor only specific containers
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# - WATCHTOWER_LABEL_ENABLE=true # Only update containers with label com.centurylinklabs.watchtower.enable=true
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networks:
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- docker-dataplane
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networks:
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docker-dataplane:
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external: true
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name: docker-dataplane
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# Schedule Format (cron):
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# - 0 0 4 * * * = Daily at 4 AM
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# - 0 0 4 * * SUN = Weekly on Sunday at 4 AM
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# - 0 0 */6 * * * = Every 6 hours
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#
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# Manual Trigger:
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# docker exec watchtower watchtower --run-once
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#
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# Exclude Specific Containers:
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# Add label to container: com.centurylinklabs.watchtower.enable=false
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#
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# Monitor Watchtower Activity:
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# docker logs watchtower
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#
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# Security Note:
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# Watchtower has full Docker socket access. Review updates in logs.
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# Consider excluding critical services and updating them manually.
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