A Docker image is a file used to execute code in a Docker container. Docker images act as a set of instructions to build a Docker cotainer, such as a template. Docker images also act as the starting ...

Creating your own Docker images can go a long way to deploying more secure containers. Jack Wallen shows you how with just a few quick commands. If you can only read one tech story a day, this is it.

Docker images revolutionized the computing world, but not all images are created equal. Let's look at how to choose the best Docker image for the job at hand. Because while there are many suitable ...

For all the potential afforded by the rise of Docker containers, IT organizations still need a simple way to turn new and existing applications into a file that will run on top of a Docker container.

Jack Wallen shows you how easy it is to create an image from a running container and then deploy a container based on that new image, all from within the user-friendly Portainer management platform.