Here's how to build a Spring Boot 12-Factor app and safely deploy a cloud-native Java app to Docker and Kubernetes servers.

The Spring Initializr is a free, online tool developers can use with Spring Boot to create a basic project that supports Maven, Gradle, Java and Kotlin.

Pivotal has released version 3.9.1 of its Spring Tool Suite, the Eclipse-based development environment for building Spring-based enterprise Java applications.