The invention of the open-source Docker Engine in 2013 resulted in containerization being one of the first steps towards modernizing the process of developing cloud applications. Before the invention of the Docker Engine, you had to configure applications for a specific computer/hardware. The downside of this approach was that it could be time-consuming to move an application from one server to another if the need arose.
But, with the launch of the Docker Registry, the longstanding challenge of managing and organizing container registries was solved. In fact, the Docker Registry rapidly became the software industry standard. Today, container registries help firms to collect, store, and deliver container images for different phases through their software development process within a central location.