Spring Boot, which is downloaded more than 75 million times a month, is the most widely used Java framework. Its convenience and capabilities revolutionized application development, from monolithic to microservices. Nevertheless, the simplicity of Spring Boot can be confusing. What exactly does a developer need to learn in order to immediately produce a result? This how-to guide will teach you how to write successful mission-critical applications. Mark Heckler of VMware, the company behind Spring, will walk you through the entire Spring Boot architecture, covering issues such as debugging, testing and deployment. If you want to quickly and efficiently develop native Java or Kotlin cloud applications based on Spring Boot using reactive programming, API creation and access to a variety of databases - this book is for you.