This tutorial explains how to install Watchtower on Ubuntu 20.04. Watchtower will automatically keep all of your running Docker containers up to date. This can be useful if you run all of your self-hosted services or apps with Docker. Every few minutes, Watchtower will pull the latest image for your application and compare it to the one used to run the container. Suppose there are any changes to the image. In that case, Watchtower will automatically restart the container using the new image, and......