Update Tracking System 🔄

Purpose Automatically detect new versions of images with:

  • Discord/Telegram notifications
  • Support for 15+ registries (Docker Hub, GHCR)
  • 90 days of change history
  • Portainer integration

Technical implementation

  • Version: 4.29.0
  • Checking: Every 6 hours + random delay
  • Storage: SQLite database with encryption
  • Providers: Flexible configuration via YAML

Security and Access

  • Permissions: Limited User (UID 1000)
  • Notifications: Only for admin and dev groups
  • Audit: Full log of scans
  • Isolation: Separate Docker network

Features

  • Custom message templates
  • Ignore by tags/tags
  • Support for Watchtower-compatible providers
  • Export data to Prometheus

Example notification

template: |
  🚨 Обнаружено обновление для `{{ .Entry.Image }}`
  Текущая версия: {{ .Entry.CurrentTag }}
  Новая версия: {{ .Entry.NewTag }}
  Ссылка: {{ .Entry.Metadata.URL }}

Sends to Discord and Telegram

Why is it important?

  1. Timely security updates
  2. Monitoring changes to dependencies
  3. Prevent drift of configurations
  4. Automize routine checks