@Bean
    public LocalContainerEntityManagerFactoryBean entityManagerFactory(DataSource dataSource, Environment env) {
        LocalContainerEntityManagerFactoryBean entityManagerFactoryBean = new LocalContainerEntityManagerFactoryBean();
        entityManagerFactoryBean.setDataSource(dataSource);
        entityManagerFactoryBean.setJpaVendorAdapter(new HibernateJpaVendorAdapter());
        entityManagerFactoryBean.setPackagesToScan("com.library.entities");
        entityManagerFactoryBean.setJpaProperties(hibernateProperties());

        return entityManagerFactoryBean;
    }

    @Bean
    public DataSource dataSource() {
        DriverManagerDataSource dataSource = new DriverManagerDataSource();
        dataSource.setDriverClassName("com.mysql.jdbc.Driver");
        dataSource.setUrl("jdbc:mysql://localhost/library");
        dataSource.setUsername("root");
        dataSource.setPassword("root");


        return dataSource;
    }

    final Properties hibernateProperties() {
        final Properties hibernateProperties = new Properties();

        hibernateProperties.setProperty("spring.jpa.database", "MYSQL");
        hibernateProperties.setProperty("spring.jpa.show-sql", "true");
        hibernateProperties.setProperty("spring.jpa.hibernate.ddl", "create");

        return hibernateProperties;
    }

LocalContainerEntityManagerFactoryBean:462 - Closing JPA EntityManagerFactory for persistence unit 'default'

INFO  Environment:239 - HHH000206: hibernate.properties not found