Friday, August 22, 2014

Consul Service Discovery with Docker

Consul is a powerful tool for building distributed systems. There are a handful of alternatives in this space, but Consul is the only one that really tries to provide a comprehensive solution for service discovery. As my last post points out, service discovery is a little more than what Consul can provide us, but it is probably the biggest piece of the puzzle.

Understanding Consul and the "Config Store"

The heart of Consul is a particular class of distributed datastore with properties that make it ideal for cluster configuration and coordination. Some call them lock servers, but I call them "config stores" since it more accurately reflects their key-value abstraction and common use for shared configuration.

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