Flocker vs Watchtower: What are the differences?

Flocker: Run your databases in Docker and make them as portable as the rest of your app. Flocker is a data volume manager and multi-host Docker cluster management tool. With it you can control your data using the same tools you use for your stateless applications. This means that you can run your databases, queues and key-value stores in Docker and move them around as easily as the rest of your app; Watchtower: A process for automating Docker container base image updates. It is an application that will monitor your running Docker containers and watch for changes to the images that those containers were originally started from. If it detects that an image has changed, it will automatically restart the container using the new image.

Flocker and Watchtower can be categorized as "Container" tools.

Flocker and Watchtower are both open source tools. It seems that Watchtower with 5.48K GitHub stars and 348 forks on GitHub has more adoption than Flocker with 3.24K GitHub stars and 298 GitHub forks.