아래의 내용을 추가
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implementation 'org.springframework.boot:spring-boot-starter-jdbc'
implementation group: 'mysql', name: 'mysql-connector-java', version: '8.0.27'
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이전의 스프링부트2.x버전에서는 아래와 같이 쓰면 작동했지만 이제는 안됨.
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runtimeOnly 'mysql:mysql-connector-java'
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아래의 내용을 추가
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spring:
datasource:
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://localhost:3306/if_buy?serverTimezone=UTC&characterEncoding=UTF-8
username: securus
password: securus1234
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