Docker Registries: pull and push in details

Docker Registries: pull and push in details

Docker Images are the primary element responsible for Docker containers creation. With all of that said, let's move to the most elemental commands that Docker registry can do for you in order to work right away, the pull and the push command.

Docker Images are the primary element responsible for Docker containers creation. Basically they are read-only templates for creating applications, inside of them there’s code and a supporting file that sets the instructions for running the application.

Internally, a Docker Image is a bunch of code layers stacked-up to each other, seen as a single flat image by the moment it is instantiated.

Without Docker Images there’s nothing to do actually.

Here I’ll try to sum some of the Docker Image’s must elemental actions (commands) available from the Docker Registry perspective. The whole idea of this is not to be the same practical course but to understand what’s happening under the hood when we interact with Docker Images.

With all of that said, let’s move to the most elemental commands that Docker registry can do for you in order to work right away, the pull and the push command.

Let’s start.

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