Learning Spring Boot 3.0 - Third Edition

9

Writing Reactive Web Controllers

In the previous eight chapters, we gathered up all the key components needed to build a Spring Boot application. We bundled it inside a Docker container and even tweaked it to run in native mode on GraalVM instead of the standard JVM.

But what if, after doing all this, our application still suffered from a lot of idle time? What if our application was burning up our cloud bill due to having to host a huge number of instances just to meet our present needs?

In other words, is there another way to squeeze a lot more efficiency out of the whole thing, without letting go of Spring Boot?

Welcome to Spring Boot and reactive programming!

In this chapter, we’ll cover the following topics:

• Discovering exactly what ...