Our first task when containerizing a process is to find the appropriate base for our database image. During a PoC, it is a good idea to use a pre-made official image from the Docker Hub. In our case, we will be looking for images created by Microsoft. Please note that, later down the adoption path, you will probably want to create your own hardened-based images for enterprise development. We will talk more about that during the pilot chapter. There are a couple of ways to discover base images. One is to simply Google for the image and look for links to Docker Hub. Another approach is to just search within Docker Hub.
We begin our search for a base image in a most familiar way, by Googling "Docker SQL express 2016 ...
