<<getting-started#getting-started,Getting Started>> :: Introducing Spring Boot, System Requirements, Servlet Containers, Installing Spring Boot, and Developing Your First Spring Boot Application
<<upgrading#upgrading,Upgrading Spring Boot Applications>> :: Upgrading from 1.x, Upgrading to a new feature release, and Upgrading the Spring Boot CLI.
<<io#io,IO>> :: Caching, Quartz Scheduler, REST clients, Sending email, Spring Web Services, and more.
<<messaging#messaging,Messaging>> :: JMS, AMQP, RSocket, WebSocket, and Spring Integration.
<<container-images#container-images,Container Images>> :: Efficient container images and Building container images with Dockerfiles and Cloud Native Buildpacks.
<<application-properties#application-properties,Application Properties>> :: Common application properties that you can use to configure your application.
<<configuration-metadata#configuration-metadata,Configuration Metadata>> :: Metadata that you can use to describe configuration properties.
<<test-auto-configuration#test-auto-configuration,Test Auto-configuration Annotations>> :: Test auto-configuration annotations that you can use to test slices of your application.