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Spring Boot 3.0 Cookbook

You're reading from   Spring Boot 3.0 Cookbook Proven recipes for building modern and robust Java web applications with Spring Boot

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Product type Paperback
Published in Jul 2024
Publisher Packt
ISBN-13 9781835089491
Length 426 pages
Edition 1st Edition
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Author (1):
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Mr. Felip Miguel Puig Mr. Felip Miguel Puig
Author Profile Icon Mr. Felip Miguel Puig
Mr. Felip Miguel Puig
LinkedIn
Felip works as a Principal Software Engineer and Cloud Expert at Dynatrace, integrating major cloud providers with Dynatrace. He is a former Microsoft FastTrack Engineer, Kubernetes, and Cloud Native specialist. As a subject matter expert in Java on Azure, he works closely with different product groups to provide the best experience in Azure for Java workloads.nBefore working in engineering, he spent more than 15 years in Microsoft Consulting Services, working closely with customers in various industries, providing real-world vision and pragmatism.
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Table of Contents (16) Chapters Close

Preface 1. Part 1:Web Applications and Microservices FREE CHAPTER
2. Chapter 1: Building RESTful APIs 3. Chapter 2: Securing Spring Boot Applications with OAuth2 4. Chapter 3: Observability, Monitoring, and Application Management 5. Chapter 4: Spring Cloud 6. Part 2: Database Technologies
7. Chapter 5: Data Persistence and Relational Database Integration with Spring Data 8. Chapter 6: Data Persistence and NoSQL Database Integration with Spring Data 9. Part 3: Application Optimization
10. Chapter 7: Finding Bottlenecks and Optimizing Your Application 11. Chapter 8: Spring Reactive and Spring Cloud Stream 12. Part 4: Upgrading to Spring Boot 3 from Previous Versions
13. Chapter 9: Upgrading from Spring Boot 2.x to Spring Boot 3.0 14. Index 15. Other Books You May Enjoy

Preparing the application

On each version of Spring Boot, some components are marked for deprecation, and normally, there is a proposal for change to avoid the deprecated components. As upgrading from Spring Boot 2 to Spring Boot 3 is a major change, upgrading to the latest Spring Boot 2 version is strongly recommended.

Before migrating an application to Spring Boot 3, the following preparation is recommended:

  • Upgrade the Spring Boot version to the latest 2.7.x available. At the time of writing this book, it is 2.7.18. This will facilitate the upgrade to Spring Boot 3
  • Update the Java version to Java 17, the minimum supported version in Spring Boot 3.
  • Address all deprecated components.

In this recipe, we’ll prepare a sample application that uses Spring 2.6 and Java 11. By the end of the recipe, the application will use Spring 2.7.18, Java 17, and all deprecated components and APIs will be addressed.

Getting ready

You will prepare an application...

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Authors (1)

Profile icon Felip Miguel Puig
Felip Miguel Puig
LinkedIn icon Github icon
Felip works as a Principal Software Engineer and Cloud Expert at Dynatrace, integrating major cloud providers with Dynatrace. He is a former Microsoft FastTrack Engineer, Kubernetes, and Cloud Native specialist. As a subject matter expert in Java on Azure, he works closely with different product groups to provide the best experience in Azure for Java workloads. Before working in engineering, he spent more than 15 years in Microsoft Consulting Services, working closely with customers in various industries, providing real-world vision and pragmatism.
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