How to run Keycloak server (17.x) embedded into a Spring Boot application

Example uses article on Baeldung as a reference and adapts it to the latest version of Keycloak. PostgreSQL is used as a DB driver for Keycloak.

For further reference, please consider the following sections:

• article on Baeldung
• Embedded Keycloak springboot application, upgrading keycloak from 12 to 14
• embedded-spring-boot-keycloak-server by Thomas Darimont