Chapter 3. Features

From Red Hat support for Spring Boot 2.7 onward, the Spring Boot BOM (Bill of Materials) to manage dependencies for Red Hat supported components is not available. You can, however, manage these components individually in an application’s pom.xml file as dependencies by specifying their groupId, artifactId, and version (GAV). For more information, see Migrating applications to Spring Boot 2.7.

Use the Dekorate Maven dependency to deploy your Spring Boot applications to OpenShift. The Fabric8 Maven plugin is no longer supported. For information about deploying your application to OpenShift, see Dekorate Guide for Spring Boot Developers.

OpenJ9 images for IBM Z and IBM Power Systems have been deprecated. The following OpenJDK11 image has been updated to support multiple architectures:

You can use the OpenJDK11 image with the following architectures:

If you want to use the OpenJ9 Java Virtual Machine (JVM) with the OpenJDK11 images, see Java Change in Power and Z OpenShift Images.

Spring Boot 2.7 introduces support for building and deploying Spring Boot applications to OpenShift with OCI-compliant Universal Base Images for Red Hat OpenJDK 8, Red Hat OpenJDK 11, and Red Hat OpenJDK 17 on RHEL 8. The RHEL 8 OpenJDK Universal Base Images replace the RHEL 8 OpenJDK builder images supported by Red Hat for use with earlier releases of Red Hat Build of Spring Boot. The previously supported RHEL 8 OpenJDK base images are no longer supported for use with Red Hat Build of Spring Boot.

You can add metering labels to your Spring Boot pods and check Red Hat subscription details with the OpenShift Metering Operator.

Spring Boot should use the following metering labels:

See Metering documentation for more information.

For more information on labels, see Understanding how to update labels on nodes.

You can use Dekorate to configure a Source-to-image build of your application that starts automatically after you compile your application with Maven. This functionality is provided as Technology Preview in Dekorate version 1.0.0 and later. Red Hat does not provide support for using this functionality in a production environment.