Docker Container Images with Watchtower on Ubuntu

**Docker Container Images with Watchtower on Ubuntu**

Introduction Watchtower is a container that monitors your running Docker containers and updates them when newer images are available in their registries. It connects to the Docker socket, polls image registries at a configurable interval, and when it detects a digest change it pulls the new image, stops the running container, and starts a replacement with the updated image. This automation is useful for homelabs, development environments, and low-criticality workloads where you want containers to stay current without manual pulls and restarts. The Watchtower project was archived by the owner in December 2025 and is now read-only. The repository remains available, issues and discussions are locked, and the last stable release is v1.7.1...

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