Application properties:

# DATASOURCE (DataSourceAutoConfiguration & DataSourceProperties)
spring.datasource.driver-class-name = com.mysql.jdbc.Driver
spring.datasource.url = jdbc:mysql://localhost:3306/post
spring.datasource.sql-script-encoding=UTF-8
spring.datasource.username = *******
spring.datasource.password = *******

# JPA (JpaBaseConfiguration, HibernateJpaAutoConfiguration)
spring.jpa.database-platform = org.hibernate.dialect.MySQLDialect
spring.jpa.hibernate.hbm2ddl.auto = create
spring.jpa.generate-ddl = true
spring.jpa.show-sql = false

@Bean
public LocalContainerEntityManagerFactoryBean em(DataSource
         source,JpaVendorAdapter adapter) {
    Properties properties = new Properties();
    properties.setProperty("hibernate.hbm2ddl.auto", "create");

    LocalContainerEntityManagerFactoryBean em
        = new LocalContainerEntityManagerFactoryBean();

    em.setDataSource(source);
    em.setPackagesToScan("*******");
    em.setJpaVendorAdapter(adapter);
    em.setJpaProperties(properties);

    return em;
}