- Downgrade Spring Boot release candidate 2.7-RC1 to stable 2.6.7
- Enable Hikari with MariaDB backend
- Move application.properties values to environment variables
- Add sample scheduler service
- Move Keycloak Bean configuration to appropriately named class
- Various minor changes
Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>