Docker is an open-source platform that simplifies deploying, scaling, and managing applications using containers. Containers are lightweight, portable units that package an application with its code, runtime, libraries, and dependencies, ensuring it runs consistently across environments. This article shows you how to install Docker on Ubuntu 20.04, run a containerized app, and deploy it to the Vultr Container Registry. > [!WARNING] > Vultr Cloud GPU instances running Ubuntu come with Docker as a......