Chapter 2. Discover the Discovery Services
In Chapter 1, Welcome to Docker Swarm we created a simple yet well functioning local Docker Swarm cluster using the nodes:// mechanism. This system is not very practical, except for learning the Swarm fundamentals.
In fact, it is just a flat model that does not contemplate any true master-slave architecture, not to mention the high-level services, such as nodes discovery and auto-configuration, resilience, leader elections, and failover (high availability). In practice, it's not suitable for a production environment.
Apart from nodes://, Swarm v1 officially supports four discovery services; however, one of them, Token, is a trivial non-production one. Basically, with Swarm v1 you need to integrate a discovery ...
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