DOCKER CERTIFIED ASSOCIATE (DCA): Exam Guide by Francisco Javier Ramirez. Urea

Author:Francisco Javier Ramirez. Urea [Urea, Francisco Javier Ramirez.]
Language: eng
Format: epub
Tags: COM088010 - COMPUTERS / System Administration / Linux and UNIX Administration, COM048000 - COMPUTERS / Systems Architecture / Distributed Systems and Computing, COM051440 - COMPUTERS / Software Development and Engineering / Tools
ISBN: 9781839211898
Google: lLnMzQEACAAJ
Publisher: Packt Publishing
Published: 2020-09-28T23:26:20.665109+00:00

In the next section, we will learn how to easily deploy a Docker Swarm cluster using common Docker command-line actions.

Deploying a Docker Swarm cluster using the command line

We can use the Docker swarm object to initialize a new cluster, join or leave a previously created one, and manage all Docker Swarm properties. Let's take a look at the docker swarm actions:

init: We will use docker swarm init to initialize a new cluster or recreate an existing one (we will describe this situation in more detail in the High availability with Swarm section). We will set many cluster options during cluster creation, but there are a few that can be changed later. The most important options are --data-path-addr and --data-path-port because they are used to set which node interface will be dedicated to the control plane on multi-homed nodes.

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