1. 백엔드 단 url 수정 or 추가 (4개만 하면됨)

• WebConfig.class

@Configuration
public class WebConfig implements WebMvcConfigurer{

@Override
public void addCorsMappings(CorsRegistryregistry) {
registry.addMapping("/**")
                .allowedOrigins("<http://d9gox7s2vayxc.cloudfront.net>", "<http://gogumacat-frontend.s3-website.ap-northeast-2.amazonaws.com>", "<http://127.0.0.1:5500>") //!!!!!호인님 url 추가
                .allowedMethods("*");
    }
}

• CorsFilter.class

@Component
@Order(Ordered.HIGHEST_PRECEDENCE)
public class CorsFilter implements Filter{

    private final static String URL = "<http://127.0.0.1:5500>"; //호인님 url로 변경!!!

...
}

• ChatConfig.class

@Configuration
@EnableWebSocketMessageBroker
public class ChatConfig implements WebSocketMessageBrokerConfigurer{

    private final static String URL = "<http://127.0.0.1:5500>";

@Override
public void registerStompEndpoints(StompEndpointRegistryregistry) {
registry.addEndpoint("/ws/chat")
                .setAllowedOriginPatterns(URL)
                .withSockJS();
    }

• application.properties도 최신으로 변경

!!s3 access key가 수정되어서 확인 부탁드려요!!

https://www.notion.so/application-properties-c618267fe57a4ce2a20fe3863afb0b6a

• application.properties의 카카오 callbacUri 변경

# kakao
kakao.restApikey= 1cc8b1fcd1283d896e04d323749f5c38
kakao.callbacUri= <http://127.0.0.1:5500/kakaoCode.html>