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  • Book Overview & Buying Microservices with Spring Boot and Spring Cloud
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Microservices with Spring Boot and Spring Cloud

Microservices with Spring Boot and Spring Cloud - Fourth Edition

By : Magnus Larsson
4.5 (2)
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Microservices with Spring Boot and Spring Cloud

Microservices with Spring Boot and Spring Cloud

4.5 (2)
By: Magnus Larsson

Overview of this book

Do you want to build and deploy microservices but are unsure where to begin? Check out the fully updated 2025 edition of Microservices with Spring Boot and Spring Cloud. Drawing from Magnus’ decades of experience, you’ll start with simple microservices and progress to complex distributed applications, learning essential functionality and deploying microservices using Kubernetes and Istio along the way. This book covers Java 24, Spring Boot 3.5, and Spring Cloud 2025, featuring updated code examples and replacing deprecated APIs. You’ll get a clear understanding of Spring’s Ahead of Time (AOT) module, observability, distributed tracing, and Helm for Kubernetes packaging. The chapters show you how to use Docker Compose to run microservices with databases and messaging services and deploy microservices on Kubernetes with Istio. You’ll also explore persistence, resilience, reactive microservices, and API documentation with OpenAPI, as well as learn service discovery with Netflix Eureka, edge servers with Spring Cloud Gateway, and monitoring with Prometheus, Grafana, and the EFK stack. By the end of this book, you’ll be able to confidently build scalable microservices using Spring Boot and Spring Cloud.
Table of Contents (30 chapters)
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1
Getting Started with Microservice Development Using Spring Boot
9
Leveraging Spring Cloud to Manage Microservices
17
Developing Lightweight Microservices Using Kubernetes
28
Other Books You May Enjoy
29
Index

Adding RESTful APIs

Now that we have projects set up for our microservices, let’s add some RESTful APIs to our three core microservices!The final result of this and the remaining topics in this chapter can be found in the $BOOK_HOME/Chapter03/2-basic-rest-services folder.First, we will add two projects (api and util) that will contain code that is shared by the microservice projects, and then we will implement the RESTful APIs.

Adding an API and a util project

To add an api project, we need to do the following:

  1. First, we will set up a separate Gradle project where we can place our API definitions. We will use Java interfaces in order to describe our RESTful APIs and model classes to describe the data that the API uses in its requests and responses. To describe what types of errors can be returned by the API, a number of exception classes are also defined. Describing a RESTful API in a Java interface instead of directly in the Java class is, to me, a good way of separating the...

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Microservices with Spring Boot and Spring Cloud
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