There are a ton of examples at https://stackfiles.io/ which is a stackfile registry.
Docker Cloud’s value over just using AWS and Docker Compose is the automation, simplicity, and the fact that it’s a hosted solution.
Docker Cloud is meant to make it as easy as possible to go from: source code > CI > image/repository/artifact > CD > notification.
We also help you by enabling one-click docker upgrades when a new version of Docker Engine is released, and keep you from worrying about all of the various pieces you would need to configure and maintain, such as networking, logging, monitoring, orchestration, etc. while giving you a means to easily connect your favorite third-party tools such as New Relic, Datadog, Sysdig, etc. for monitoring.