CustomDatabaseConfig.java

@Configuration
public class CustomDatabaseAutoConfiguration extends DatabaseAutoConfiguration {
  
  protected DataSource buildDataSource() {
        DatabaseDriver driver = DatabaseDriver.fromJdbcUrl(props.getUrl());
        com.zaxxer.hikari.HikariDataSource ds = DataSourceBuilder
                .create()
                .username(props.getUser())
                .password(props.getPassword())
                .url(props.getUrl())
                .driverClassName(driver.getDriverClassName())
                .type(com.zaxxer.hikari.HikariDataSource.class)
                .build();
        
        // customize other DataSource settings
        
        return ds;
  }
}