Orchestration
The orchestration of containers is where the hard part comes in. If an application was designed to use containers as a large monolithic stack that performs all the tasks required for the subsystem to execute, then deploying those containers becomes a pretty easy task. However, this also defeats the purpose of using containers and microservices, which is to decouple the components into small services that interact with each other or other services. As a subsystem is broken down into many separate primitive microservices, the ability to coordinate those services, made up of one or many containers, becomes very difficult. Some services will be relatively small and will only be used sparingly, while others will be very high volume ...
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