> For the complete documentation index, see [llms.txt](https://www.trentbauer.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.trentbauer.com/homelab/service-overviews/maintenance-and-monitoring/watchtower.md).

# Watchtower

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Watchtower is deployed as part of the ['All' stack](/homelab/service-overviews/docker/all-stack.md)
{% endhint %}

This is used to update the Portainer-CE and Portainer Agent containers