Book Image

Implementing Modern DevOps

By : Danny Varghese, David Gonzalez
Book Image

Implementing Modern DevOps

By: Danny Varghese, David Gonzalez

Overview of this book

This book follows a unique approach to modern DevOps using cutting-edge tools and technologies such as Ansible, Kubernetes, and Google Cloud Platform. This book starts by explaining the organizational alignment that has to happen in every company that wants to implement DevOps in order to be effective, and the use of cloud datacenters in combination with the most advanced DevOps tools to get the best out of a small team of skilled engineers. It also delves into how to use Kubernetes to run your applications in Google Cloud Platform, minimizing the friction and hassle of maintaining a cluster but ensuring its high availability. By the end of this book, you will be able to realign teams in your company and create a Continuous Delivery pipeline with Kubernetes and Docker. With strong monitoring in place, you will also be able to react to adverse events in your system, minimizing downtime and improving the overall up-time and stability of your system.
Table of Contents (17 chapters)
Title Page
About the Author
About the Reviewer
Customer Feedback

Docker registries

In the previous section, we created a new image with our application installed and ready to be used (in this case, a very simple Hello world Node.js application).

Now, we need to distribute the image so it can be installed in all the stages of our deployment pipeline or even used by other developers. Docker is interesting for running applications but it is also a very interesting choice to create command-line tools that other developers can benefit from.

In order to distribute images, we have to rely on exporting/importing the image or using a registry. A registry is basically a software that allows us to store and distribute Docker images. There are two types of registries:

  • Public registries
  • Private registries

Let's take a look at the different registry types.

Public registries

The most known of the public registries is Docker Hub. It is the official and default registry that every Docker installation knows of. Also, it offers private repositories, but the most interesting feature...