spring:
  profiles: prod
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/DB_NAME?useUnicode=true&characterEncoding=utf-8
    username: user
    password: 1234
  jpa:
    database: mysql
    database-platform: org.hibernate.dialect.MySQL5Dialect
    hibernate:
      ddl-auto: update

-----------------------------------------

ALTER DATABASE [database] CHARACTER SET utf8 COLLATE utf8_unicode_ci;