Chapter 4
Migrating and Implementing Microservices
By this point you know what microservices are and how they work. If you’re still reading, I have accomplished my first goal: piquing your interest enough that you are considering implementing microservices yourself! Now it’s time to get down to brass tacks: namely, the very critical topic of how to approach the transition to microservices.
The Need for Transition
You’ll recall that a monolithic application is very large (in terms of lines of code [LoC]) and complex (in terms of functions interdependencies, data, etc.), serving hundreds of thousands of users across geographical regions and requiring several developers and IT engineers. A monolithic app may look something like Figure 4.1.
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