Chapter 2. Microservice Scenarios
This chapter presents a number of scenarios in which microservices can be useful. Section 2.1 focuses on the modernization of a legacy web application. This is the most common use case for microservices. A very different scenario is discussed in section 2.2. A signaling system is being developed as a distributed system based on microservices. Section 2.3 draws some conclusions and invites the reader to judge the usefulness of microservices in the scenarios presented for themselves.
2.1 Modernizing an E-Commerce Legacy Application
Migrating from a legacy deployment monolith is the most common scenario for microservices. This section starts with a general description of such a scenario and then gets into the details ...
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