February 2018
Intermediate to advanced
356 pages
9h 10m
English
Content preview from Spring 5.0 By Example
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Docker images
The Docker image is like a template for a Docker container. It contains a set of folders and files that are necessary to start the Docker container. We will never have an image in execution mode. The image provides a template for Docker Engine to start up the container. We can create an analogy with object orientation to understand the process better. The image is like a class that provides an infrastructure to instantiate some objects, and instances are like a container.
Also, we have a Docker registry to store our images. These registries can be public or private. Some cloud vendors provide these private registries. The most famous is Docker Hub. It can be free, but if you choose this option, the image should be public. Of ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.