@Entity
@Getter @Setter @EqualsAndHashCode(of = "id")
@Builder @NoArgsConstructor @AllArgsConstructor
public class Account {

	@Id @GeneratedValue
	private Integer id;

	@Column(unique = true)
	private String email;

	private String password;

	@ElementCollection(fetch = FetchType.EAGER)
	@Enumerated(EnumType.STRING)
	private Set<AccountRole> roles;
}

unique 추가

spring.jackson.deserialization.fail-on-unknown-properties=true

spring.datasource.url=jdbc:mariadb://localhost:3306/springjpa
spring.datasource.username=cmlee
spring.datasource.password=pass

spring.jpa.hibernate.ddl-auto=create-drop
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MariaDBDialect
spring.jpa.properties.hibernate.format_sql=true

logging.level.org.hibernate.SQL=DEBUG
logging.level.org.hibernate.type.descriptor.sql.BasicBinder=TRACE

logging.level.org.springframework.security=DEBUG

[email protected]
my-app.admin-password=admin
[email protected]
my-app.user-password=user
my-app.client-id=myApp
my-app.client-secret=pass

@Component
@ConfigurationProperties("my-app")
@Getter @Setter
public class AppProperties {

	@NotEmpty
	private String adminUsername;

	@NotEmpty
	private String adminPassword;

	@NotEmpty
	private String userUsername;

	@NotEmpty
	private String userPassword;

	@NotEmpty
	private String clientId;

	@NotEmpty
	private String clientSecret;
}

스프링 부트가 이곳으로 자동 바인딩 해준다.

@Configuration
public class AppConfig {

	@Bean
	public ModelMapper modelMapper() {
		return new ModelMapper();
	}

	@Bean
	public PasswordEncoder passwordEncoder() {
		return PasswordEncoderFactories.createDelegatingPasswordEncoder();
	}

	@Bean
	public ApplicationRunner applicationRunner() {
		return new ApplicationRunner() {

			@Autowired
			AccountService accountService;

			@Autowired
			AppProperties appProperties;

			@Override
			public void run(ApplicationArguments args) throws Exception {
				Account admin = Account.builder()
						.email(appProperties.getAdminUsername())
						.password(appProperties.getAdminPassword())
						.roles(new HashSet<>(Arrays.asList(AccountRole.ADMIN, AccountRole.USER)))
						.build();

				Account user = Account.builder()
						.email(appProperties.getUserUsername())
						.password(appProperties.getUserPassword())
						.roles(new HashSet<>(Collections.singletonList(AccountRole.USER)))
						.build();

				accountService.saveAccount(admin);
				accountService.saveAccount(user);
			}
		};
	}
}

받아 사용한다.

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