![]() In fact, the docker images sub-command is what is used to list the locally available repositories. This can be confusing, and many people refer to this as an image or a container image. This is actually expanded automatically to:ĭocker pull /rhel7:latest In the following command, “rhel7” is the repository. When using the Docker command, a repository is what is specified on the command line, not an image. Note that I am going to assume that you know how to run basic docker commands, but if you need a primer, I recommend starting with: A Practical Introduction to Docker Containers. The goal of this article is to clarify these terms, so that we can speak the same language and develop solutions and architectures leveraging the value of containers. often causing quite a bit of confusion for newcomers. One of the challenges people have is that many of the following terms are used interchangeably. When discussing an architecture for containerization, it’s important to have a solid grasp on the related vocabulary. The update includes coverage of container technologies beyond docker, such as CRI-O, rkt, lxc/lxd, and as well information on the Open Container Initiative (OCI). ![]() ![]() See A Practical Introduction to Container Terminology. February 2018 - A completely revised and updated version of this article has been published. ![]()
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