jackson-serde-config.java

@Configuration
public class AppConfig {
 
    private static final String dateFormat = "yyyy-MM-dd";
    private static final String dateTimeFormat = "yyyy-MM-dd HH:mm:ss";
 
    @Bean
    public Jackson2ObjectMapperBuilderCustomizer jsonCustomizer() {
        return builder -> {
            builder.serializers(new LocalDateTimeSerializer(
                DateTimeFormatter.ofPattern(DATE_TIME_FORMAT)));
            builder.serializers(new LocalDateSerializer(
                DateTimeFormatter.ofPattern(DATE_FORMAT)));
        };
    }

}