Quickly and productively build complex Kotlin-based Spring applications and microservices out of the box, with minimal concern over things such as configurations. This revised edition will show you how to fully leverage the Spring Boot 3 micro-framework and apply it to create enterprise-ready Kotlin-based cloud-native applications, microservices, and web applications that just work.  

The book covers what has been added to the new Spring Boot 3 release, including improved support for the Kotlin programming language, changes to Stream Editor UI, Maven Preemptive Authentication, building Docker images using cloud-native build packs, building layered jars for optimized Docker images, E2E traceability for configuration properties, many dependency upgrades, support for Spring Data, and much more.

This book is your in-depth pragmatic guide for increasing your enterprise Kotlin and cloud application productivity while decreasing development time. It is a no-nonsense guide with case studies of increasing complexity throughout the book. The main author, a senior solutions architect and Principal Technical instructor at Pivotal, the company behind the Spring Framework, shares his experience, insights, and first-hand knowledge about how Spring Boot technology works, and best practices.

This is an essential book for your Kotlin-based Spring learning and reference library.

What You Will Learn

• Build cloud-native apps and microservices with the Spring Boot 3 framework
• Persist and access your data using and integrating with Spring Data
• Message with Kafka, RabbitMQ, and WebSockets
• Explore Spring Cloud projects
• Extend Spring Boot by creating your own Spring Boot Starter and @Enable feature
• Test and deploy Spring Boot with best practices
• Effectively use Kotlin as a programming language for Spring applications