📌 Default

spring:
  jpa:
    properties:
      hibernate:
        default_batch_fetch_size: 1000
        format_sql: true
    show-sql: true
    generate-ddl: true
    hibernate:
      ddl-auto: update
  datasource:
    url: jdbc:mysql://linkbook-1.czvbgr7hie3i.ap-northeast-2.rds.amazonaws.com:3306/linkbook
    username: admin
    password: BCo8vaMM5DI5RX7
    hikari:
      maximum-pool-size: 10

✅ Test

spring:
  datasource:
    url: jdbc:h2:mem:test
    username: sa
    password:
    driver-class-name: org.h2.Driver
  jpa:
    generate-ddl: true
    open-in-view: false
    show-sql: true
    hibernate:
      ddl-auto: create
    properties:
      hibernate:
        format_sql: true
        dialect: org.hibernate.dialect.H2Dialect