Part 3. Multi-Container and Multi-Host Environments
If part 1 is focused on the isolation provided by containers, this part is focused on their composition. Most valuable systems are composed of two or more components. Simple management of multiple components is more important than ever due to the rise of large-scale server software, service-oriented-architectures, microservices, and now the Internet-of-Things. In building these systems, we’ve adopted tools like cluster computing, orchestration, and service discovery. These are difficult and nuanced problems in themselves. This final part of Docker in Action will introduce three other Docker tools and demonstrate how to use Docker in the wild.
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