Book Image

Mastering Docker - Third Edition

By : Russ McKendrick, Scott Gallagher
Book Image

Mastering Docker - Third Edition

By: Russ McKendrick, Scott Gallagher

Overview of this book

Docker has been a game-changer when it comes to how modern applications are deployed and created. It has now grown into a key driver of innovation beyond system administration, with an impact on the world of web development. But how can you make sure you're keeping up with the innovations it's driving, or be sure you're using it to its full potential? Mastering Docker shows you how; this book not only demonstrates how to use Docker more effectively, but also helps you rethink and reimagine what's possible with it. You will cover concepts such as building, managing, and storing images, along with best practices to make you confident, before delving more into Docker security. You'll find everything related to extending and integrating Docker in new and innovative ways. Docker Compose, Docker Swarm, and Kubernetes will help you take control of your containers in an efficient manner. By the end of the book, you will have a broad, yet detailed, sense of what's possible with Docker, and how seamlessly it fits in with a range of other platforms and tools.
Table of Contents (17 chapters)

Portainer and Docker Swarm

In the previous section, we looked at how to use Portainer on a standalone Docker instance. Portainer also supports Docker Swarm clusters, and the options in the interface adapt to the clustered environment. We should look at spinning up a Swarm and then launching Portainer as a service and see what changes.

Creating the Swarm

As in the Docker Swarm chapter, we are going to be creating the Swarm locally using Docker Machine; to do this, run the following commands:

$ docker-machine create -d virtualbox swarm-manager
$ docker-machine create -d virtualbox swarm-worker01
$ docker-machine create -d virtualbox swarm-worker02

Once the three instances have launched, run the following command to initialize...