code: @Bean
  	public DataSource dataSource() {
  
          // Replace this with your own datasource.
          return new EmbeddedDatabaseBuilder()
                  .setName("test")
                  .setType(EmbeddedDatabaseType.HSQL)
                  .addScript("classpath:hsql-schema.sql")
                  .build();	    	    
  	}
docs: Use this data source to create an embedded database.