Introduction
Docker images are the essential building blocks of the Docker-inspired containerization paradigm. As you are already aware, Docker containers are created from Docker images. According to your application requirements, you can choose to create complex services using the Docker images that are built and offered by the folks at Docker or third parties. If the existing images don't fit your requirements, you can also extend the existing images or custom-build your own images.
In this chapter, we will introduce you to Docker Hub, and will show you how to share images through Docker Hub and how to host your own Docker registry. We will also show you different ways to build your own image, along with a few Docker image housekeeping ...
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