Hands-on Spring 6 and Spring Boot 3.0

The demand for developers skilled in Spring and Spring Boot remains strong, reflecting the frameworks' key roles in modern software development and the constant expansion of Java-based applications across industries.       

This technical guide to Spring Framework 6 and Spring Boot 3.0 employs a scenario-based methodology, systematically addressing enterprise-grade concerns, including TDD, security, and observability. The content progressively builds a complete application, with each chapter expanding specific components while maintaining a focus on production-ready implementation patterns. A companion GitHub repository provides complete source code, allowing readers to focus on critical concepts. The book's architecture progresses from fundamental Spring concepts through practical implementations of MVC applications, data persistence, REST/GraphQL APIs, reactive programming, and messaging systems, concluding with deployment strategies and emerging Spring technologies. All examples follow enterprise-quality standards applicable to real-world development scenarios.

This book provides fundamental concepts for beginners starting on their journey with Spring and Spring Boot, enabling them to rapidly transition to developing real-world applications and services. It also serves as a valuable resource for Spring developers seeking to enhance their expertise with Spring Framework 6 and Spring Boot 3.0.  

KEY FEATURES  
● Learn the fundamentals of Spring and get started with Spring Boot.
● Adopt test-driven development and apply security and observability effectively.
● Develop a real-world application together. 
● Learn best practices for running enterprise applications in production.

WHAT YOU WILL LEARN
● Learn the fundamentals of Spring and get started with Spring Boot.
● Build enterprise web applications, RESTful and GraphQL services. 
● Adopt test-driven development and apply security and observability effectively.
● Develop a real-world application together. 
● Learn best practices for running enterprise applications in production.
● Developing Spring MVC web applications and working with relational and non-relational data.
● Interdiction to reactive programming and developing reactive services using Spring Boot.

WHO THIS BOOK IS FOR
This book is for Java developers who want to use Spring Framework 6 and Spring Boot 3.0 to build production-ready enterprise applications and services. Prior experience using Java is expected, and no experience with Spring and Spring Boot is required.

1. Introduction to Spring and Spring Boot
2. Getting Started with Spring Boot
3. Spring Essentials for Enterprise Applications
4. Building Spring MVC Web Applications
5. Working with Spring Data Access
6. Building RESTful Spring Services
7. Building GraphQL Spring Services
8. Building Reactive Spring Applications
9. Working with Spring Messaging
10. Running Spring Boot in Production
11. Emerging Trends in Spring Framework

Sagara Gunathunga is a software architect with over 15 years of industry experience, specializing in application development, integration, and identity solutions. His early career saw him immersed in the Spring Framework that led him to apply Spring-related technologies like Spring Security, Spring Integration, and Spring Services to a number of enterprise projects.

After joining WSO2, as the product lead he led the effort to integrate Spring profile support and JavaEE profile into the WSO2 Application Server. Additionally, he was a key contributor to Spring support within WSO2's Java microservices framework, MSF4J. Currently, Sagara serves as Head of DevRel IAM at WSO2.

Sagara has shared his expertise at international conferences such as the European Identity & Cloud Conference, Consumer Identity World, ApacheCon NA, and WSO2Con events. He has been an open-source advocate and a PMC Member & Committer at the Apache Software Foundation and contributed to projects like Apache Axis2, Apache WebServices, Apache Synapse, and Apache Camel as well.