May 2017
Intermediate to advanced
436 pages
9h 44m
English
Content preview from The DevOps 2.1 Toolkit: Docker Swarm
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Do we need service discovery?
It is hard to provide a general recommendation whether service discovery tools are needed when working inside a Swarm cluster. If we look at the need to find services as the main use case for those tools, the answer is usually no. We don't need external service discovery for that. As long as all services that should communicate with each other are inside the same network, all we need is the name of the destination service. For example, for the go-demo (https://github.com/vfarcic/go-demo) service to find the related database, it only needs to know its DNS go-demo-db. The Chapter 3, Docker Swarm Networking and Reverse Proxy proved that proper networking usage is enough for most use cases.
However, finding services ...
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