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

Maven provides consistent project structures, declarative configuration, and a wide range of plugins, along with a centralized repository for storing and downloading third-party software.

In JPA, we use the @Id annotation to designate a field to be the table’s primary key. The primary key must be a Java primitive type, a primitive wrapper such as Integer or Long, a String, a Date ...