Learning about Distributed Application Architecture

This chapter introduces the concept of distributed application architecture and discusses the various patterns and best practices that are required to run a distributed application successfully. It will also discuss the additional requirements that need to be fulfilled to run such an application in production. You might be wondering, what does this have to do with Docker containers? And you are right to ask. At first glance, these are not related to each other. But as you will soon see, when introducing containers that host an application or application service, your application will quickly consist of several containers that will be running on different nodes of a cluster of computers or VMs; and voilà – you are dealing with a distributed application. We thought that it makes sense to provide you with a sense of the complexity that distributed applications introduce and help you avoid the most common pitfalls.

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