diff --git a/.gitignore b/.gitignore
index 39e0b93..b6fed4c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -47,7 +47,9 @@ mongodb
 .DS_Store
 elasticsearch/
 .cursorrules
+application-stageing.yml
 application-stage.yml
+application-production.yml
 application-prod.yml
 application-local.yml
 !/docker/elasticsearch
diff --git a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/client/BasePublicDataClient.java b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/client/BasePublicDataClient.java
index 64af69b..a736d23 100644
--- a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/client/BasePublicDataClient.java
+++ b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/client/BasePublicDataClient.java
@@ -3,9 +3,9 @@
 import io.github.resilience4j.retry.Retry;
 import io.github.resilience4j.retry.RetryRegistry;
 import lombok.extern.slf4j.Slf4j;
-import org.atdev.artrip.external.culturalapi.cultureinfo.dto.request.BasePublicDataRequest;
-import org.atdev.artrip.external.culturalapi.cultureinfo.dto.response.BasePublicDataItem;
-import org.atdev.artrip.external.culturalapi.cultureinfo.dto.response.PublicDataResponse;
+import org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.request.BasePublicDataRequest;
+import org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response.BasePublicDataItem;
+import org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response.PublicDataResponse;
 import org.atdev.artrip.external.culturalapi.properties.PublicDataProperties;
 import org.atdev.artrip.global.apipayload.exception.ExternalApiException;
 import org.springframework.core.ParameterizedTypeReference;
@@ -79,7 +79,6 @@ protected URI buildUri(R request) {
         UriComponentsBuilder builder = UriComponentsBuilder
                 .fromHttpUrl(properties.getBaseUrl())
                 .path(getApiPath())
-//                .queryParam("serviceKey", properties.getServiceKey())
                 .queryParam("PageNo", request.getPageNo())
                 .queryParam("numOfrows", request.getNumOfRows())
                 .queryParam("sortStdr",  request.getSortStdr());
diff --git a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/client/CultureInfoApiClient.java b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/client/CultureInfoApiClient.java
index f6e5fe2..3c493d2 100644
--- a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/client/CultureInfoApiClient.java
+++ b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/client/CultureInfoApiClient.java
@@ -2,11 +2,10 @@
 
 import io.github.resilience4j.retry.RetryRegistry;
 import lombok.extern.slf4j.Slf4j;
-import org.atdev.artrip.domain.exhibit.reponse.ExhibitDetailResponse;
-import org.atdev.artrip.external.culturalapi.cultureinfo.dto.request.CultureInfoRequest;
-import org.atdev.artrip.external.culturalapi.cultureinfo.dto.response.CultureInfoDetailResponse;
-import org.atdev.artrip.external.culturalapi.cultureinfo.dto.response.CultureInfoItem;
-import org.atdev.artrip.external.culturalapi.cultureinfo.dto.response.CultureInfoListResponse;
+import org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.request.CultureInfoRequest;
+import org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response.CultureInfoDetailResponse;
+import org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response.CultureInfoItem;
+import org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response.CultureInfoListResponse;
 import org.atdev.artrip.external.culturalapi.properties.PublicDataProperties;
 import org.atdev.artrip.global.apipayload.exception.ExternalApiException;
 import org.springframework.core.ParameterizedTypeReference;
@@ -20,16 +19,16 @@
 
 @Slf4j
 @Component
-public class CultureInfoApiClient extends BasePublicDataClient<CultureInfoItem, CultureInfoRequest, CultureInfoListResponse>{
+public class CultureInfoApiClient extends BasePublicDataClient<CultureInfoItem, CultureInfoRequest, CultureInfoListResponse> {
 
-    private static final String REALM_CODE_EXHIBITION = "D000";
+    private static final String SERVICE_TP = "A";
     private static final String PATH_REALM2 = "/realm2";
     private static final String PATH_DETAILS2 = "/detail2";
 
     public CultureInfoApiClient(
             WebClient publicDataWebClient,
             PublicDataProperties properties,
-            RetryRegistry retryRegistry){
+            RetryRegistry retryRegistry) {
         super(publicDataWebClient, properties, retryRegistry);
     }
 
@@ -45,7 +44,8 @@ protected String getApiPath() {
 
     @Override
     protected ParameterizedTypeReference<CultureInfoListResponse> getResponseTypeRef() {
-        return new ParameterizedTypeReference<>() {};
+        return new ParameterizedTypeReference<>() {
+        };
     }
 
     @Override
@@ -55,7 +55,7 @@ protected Class<CultureInfoListResponse> getResponseClass() {
 
     @Override
     protected void addRequestParams(UriComponentsBuilder builder, CultureInfoRequest request) {
-        builder.queryParam("realmCode", REALM_CODE_EXHIBITION);
+        builder.queryParam("serviceTp", SERVICE_TP);
 
         if (request.getFrom() != null) {
             builder.queryParam("from", request.getFrom());
@@ -106,7 +106,7 @@ public CultureInfoListResponse fetchExhibits(int pageNo) {
         CultureInfoRequest request = CultureInfoRequest.builder()
                 .serviceKey(properties.getServiceKey())
                 .pageNo(pageNo)
-                .numOfRows(pageNo)
+                .numOfRows(properties.getPageSize())
                 .build();
         return fetch(request);
     }
@@ -156,5 +156,4 @@ private void logDetailResponse(CultureInfoDetailResponse response) {
             log.warn("상세 조회 실패 - error: {}", response.getErrorMessage());
         }
     }
-
-}
+}
\ No newline at end of file
diff --git a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/mapper/CultureInfoMapper.java b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/mapper/CultureInfoMapper.java
index 01eb5b3..49baf58 100644
--- a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/mapper/CultureInfoMapper.java
+++ b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/mapper/CultureInfoMapper.java
@@ -1,12 +1,11 @@
 package org.atdev.artrip.external.culturalapi.cultureinfo.mapper;
 
-import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.atdev.artrip.domain.Enum.Status;
 import org.atdev.artrip.domain.exhibit.data.Exhibit;
 import org.atdev.artrip.domain.exhibitHall.data.ExhibitHall;
-import org.atdev.artrip.external.culturalapi.cultureinfo.dto.response.CultureInfoDetailItem;
-import org.atdev.artrip.external.culturalapi.cultureinfo.dto.response.CultureInfoItem;
+import org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response.CultureInfoDetailItem;
+import org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response.CultureInfoItem;
 import org.springframework.stereotype.Component;
 import org.springframework.util.StringUtils;
 
diff --git a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/service/CultureInfoSyncService.java b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/service/CultureInfoSyncService.java
index 94ee7d5..f057e37 100644
--- a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/service/CultureInfoSyncService.java
+++ b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/service/CultureInfoSyncService.java
@@ -10,14 +10,14 @@
 import org.atdev.artrip.domain.keyword.data.Keyword;
 import org.atdev.artrip.elastic.service.ExhibitIndexService;
 import org.atdev.artrip.external.culturalapi.cultureinfo.client.CultureInfoApiClient;
-import org.atdev.artrip.external.culturalapi.cultureinfo.dto.response.CultureInfoDetailItem;
-import org.atdev.artrip.external.culturalapi.cultureinfo.dto.response.CultureInfoDetailResponse;
-import org.atdev.artrip.external.culturalapi.cultureinfo.dto.response.CultureInfoItem;
-import org.atdev.artrip.external.culturalapi.cultureinfo.dto.response.CultureInfoListResponse;
+import org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response.CultureInfoDetailItem;
+import org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response.CultureInfoDetailResponse;
+import org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response.CultureInfoItem;
+import org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response.CultureInfoListResponse;
 import org.atdev.artrip.external.culturalapi.cultureinfo.mapper.CultureInfoMapper;
 import org.atdev.artrip.global.apipayload.exception.ExternalApiException;
+import org.atdev.artrip.global.s3.service.S3Service;
 import org.springframework.scheduling.annotation.Scheduled;
-import org.springframework.security.core.parameters.P;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -25,10 +25,7 @@
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
+import java.util.*;
 import java.util.function.Function;
 
 @Slf4j
@@ -42,6 +39,7 @@ public class CultureInfoSyncService {
     private final ExhibitHallRepository exhibitHallRepository;
     private final KeywordMatchingService  keywordMatchingService;
     private final ExhibitIndexService exhibitIndexService;
+    private final S3Service s3Service;
 
     private static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd");
     private static final int MAX_PAGES = 200;
@@ -173,6 +171,14 @@ private void processItem(CultureInfoItem item, Map<String, ExhibitHall> hallCach
             }
         }
 
+        String posterUrl = exhibit.getPosterUrl();
+        if (posterUrl != null && !s3Service.isInternalUrl(posterUrl)) {
+            String s3Url = s3Service.uploadPosterFromExternalUrl(posterUrl);
+            if (s3Url != null && !s3Url.equals(posterUrl)) {
+                exhibit.setPosterUrl(s3Url);
+            }
+        }
+
         Optional<Exhibit> existing = exhibitRepository
                 .findByTitleAndStartDate(exhibit.getTitle(), exhibit.getStartDate());
 
diff --git a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/controller/CultureInfoSyncController.java b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/controller/CultureInfoSyncController.java
index cf78098..7327855 100644
--- a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/controller/CultureInfoSyncController.java
+++ b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/controller/CultureInfoSyncController.java
@@ -18,31 +18,13 @@
 public class CultureInfoSyncController {
 
     private final CultureInfoSyncService CultureInfoSyncService;
-
-    private static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern("yyyyMMdd");
     private final ExhibitIndexService exhibitIndexService;
 
-    @GetMapping("exhibits/latest")
-    public CommonResponse<Map<String, Object>> syncLatest() {
-        String today = LocalDate.now().format(DATE_FORMATTER);
-        log.info("최신 전시 동기화 : {}", today);
-
-        CultureInfoSyncService.SyncResult result = CultureInfoSyncService.syncLatest();
-
-        return CommonResponse.onSuccess(Map.of(
-                "from", today,
-                "inserted", result.getInserted(),
-                "updated", result.getUpdated(),
-                "skipped", result.getSkipped(),
-                "failed", result.getFailed()
-        ));
-
-    }
-
     @GetMapping("/exhibits")
     public CommonResponse<Map<String, Object>> syncByPeriod(
             @RequestParam String from,
             @RequestParam(required = false) String to) {
+
         log.info("기간별 전시 동기화 시작 - 기간: {} ~ {}", from, to != null ? to : "전체");
 
         CultureInfoSyncService.SyncResult result;
diff --git a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/request/BasePublicDataRequest.java b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/request/BasePublicDataRequest.java
similarity index 82%
rename from src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/request/BasePublicDataRequest.java
rename to src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/request/BasePublicDataRequest.java
index 8dc5709..cd598be 100644
--- a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/request/BasePublicDataRequest.java
+++ b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/request/BasePublicDataRequest.java
@@ -1,4 +1,4 @@
-package org.atdev.artrip.external.culturalapi.cultureinfo.dto.request;
+package org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.request;
 
 import lombok.*;
 import lombok.experimental.SuperBuilder;
diff --git a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/request/CultureInfoRequest.java b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/request/CultureInfoRequest.java
similarity index 84%
rename from src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/request/CultureInfoRequest.java
rename to src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/request/CultureInfoRequest.java
index 7c9e9b0..288ae88 100644
--- a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/request/CultureInfoRequest.java
+++ b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/request/CultureInfoRequest.java
@@ -1,4 +1,4 @@
-package org.atdev.artrip.external.culturalapi.cultureinfo.dto.request;
+package org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.request;
 
 import lombok.AllArgsConstructor;
 import lombok.Getter;
diff --git a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/BaseCultureInfoResponse.java b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/BaseCultureInfoResponse.java
similarity index 91%
rename from src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/BaseCultureInfoResponse.java
rename to src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/BaseCultureInfoResponse.java
index 9e17d8c..de61b18 100644
--- a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/BaseCultureInfoResponse.java
+++ b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/BaseCultureInfoResponse.java
@@ -1,4 +1,4 @@
-package org.atdev.artrip.external.culturalapi.cultureinfo.dto.response;
+package org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
diff --git a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/BasePublicDataItem.java b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/BasePublicDataItem.java
similarity index 69%
rename from src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/BasePublicDataItem.java
rename to src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/BasePublicDataItem.java
index 67f842e..a9ae450 100644
--- a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/BasePublicDataItem.java
+++ b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/BasePublicDataItem.java
@@ -1,4 +1,4 @@
-package org.atdev.artrip.external.culturalapi.cultureinfo.dto.response;
+package org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response;
 
 public interface BasePublicDataItem {
 
diff --git a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/CultureInfoDetailItem.java b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/CultureInfoDetailItem.java
similarity index 93%
rename from src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/CultureInfoDetailItem.java
rename to src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/CultureInfoDetailItem.java
index 551e1b2..0c2ebf8 100644
--- a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/CultureInfoDetailItem.java
+++ b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/CultureInfoDetailItem.java
@@ -1,4 +1,4 @@
-package org.atdev.artrip.external.culturalapi.cultureinfo.dto.response;
+package org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
diff --git a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/CultureInfoDetailResponse.java b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/CultureInfoDetailResponse.java
similarity index 95%
rename from src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/CultureInfoDetailResponse.java
rename to src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/CultureInfoDetailResponse.java
index 8b9e3c7..eb61c2a 100644
--- a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/CultureInfoDetailResponse.java
+++ b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/CultureInfoDetailResponse.java
@@ -1,4 +1,4 @@
-package org.atdev.artrip.external.culturalapi.cultureinfo.dto.response;
+package org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
diff --git a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/CultureInfoItem.java b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/CultureInfoItem.java
similarity index 93%
rename from src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/CultureInfoItem.java
rename to src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/CultureInfoItem.java
index 1d25ce7..ef14a01 100644
--- a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/CultureInfoItem.java
+++ b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/CultureInfoItem.java
@@ -1,4 +1,4 @@
-package org.atdev.artrip.external.culturalapi.cultureinfo.dto.response;
+package org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
@@ -60,7 +60,7 @@ public boolean isValid() {
     }
 
     public boolean isExhibition() {
-        return "전시".equals(realmName);
+        return "전시".equals(serviceName);
     }
 
     public String getFullAddress() {
diff --git a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/CultureInfoListResponse.java b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/CultureInfoListResponse.java
similarity index 97%
rename from src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/CultureInfoListResponse.java
rename to src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/CultureInfoListResponse.java
index 1e730b7..f115360 100644
--- a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/CultureInfoListResponse.java
+++ b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/CultureInfoListResponse.java
@@ -1,4 +1,4 @@
-package org.atdev.artrip.external.culturalapi.cultureinfo.dto.response;
+package org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlElementWrapper;
diff --git a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/PublicDataHeader.java b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/PublicDataHeader.java
similarity index 88%
rename from src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/PublicDataHeader.java
rename to src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/PublicDataHeader.java
index 82f8f57..d2a9793 100644
--- a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/PublicDataHeader.java
+++ b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/PublicDataHeader.java
@@ -1,4 +1,4 @@
-package org.atdev.artrip.external.culturalapi.cultureinfo.dto.response;
+package org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
diff --git a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/PublicDataResponse.java b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/PublicDataResponse.java
similarity index 84%
rename from src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/PublicDataResponse.java
rename to src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/PublicDataResponse.java
index 50aab38..1677f9e 100644
--- a/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/dto/response/PublicDataResponse.java
+++ b/src/main/java/org/atdev/artrip/external/culturalapi/cultureinfo/web/dto/response/PublicDataResponse.java
@@ -1,4 +1,4 @@
-package org.atdev.artrip.external.culturalapi.cultureinfo.dto.response;
+package org.atdev.artrip.external.culturalapi.cultureinfo.web.dto.response;
 
 import java.util.List;
 
diff --git a/src/main/java/org/atdev/artrip/global/s3/service/S3Service.java b/src/main/java/org/atdev/artrip/global/s3/service/S3Service.java
index c0cca60..290d230 100644
--- a/src/main/java/org/atdev/artrip/global/s3/service/S3Service.java
+++ b/src/main/java/org/atdev/artrip/global/s3/service/S3Service.java
@@ -16,10 +16,7 @@
 import javax.crypto.Mac;
 import javax.crypto.spec.SecretKeySpec;
 import java.io.InputStream;
-import java.net.URI;
-import java.net.URL;
-import java.net.URLDecoder;
-import java.net.URLEncoder;
+import java.net.*;
 import java.nio.charset.StandardCharsets;
 import java.util.*;
 
@@ -252,7 +249,105 @@ private String uploadToFolder(MultipartFile file, String folder) {
         return uploadToS3(file, folder);
     }
 
+    public String uploadFromExternalUrl(String externalUrl, String folder){
+        if (externalUrl == null || externalUrl.isBlank()) {
+            return null;
+        }
+
+        if (isInternalUrl(externalUrl))  {
+            return externalUrl;
+        }
+
+
+        try {
+            URL url = new URI(externalUrl).toURL();
+            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
+            connection.setRequestMethod("GET");
+            connection.setConnectTimeout(5000);
+            connection.setReadTimeout(10000);
+            connection.setRequestProperty("User-Agent", "Mozilla/5.0");
+            connection.setInstanceFollowRedirects(true);
+
+            int responseCode = connection.getResponseCode();
+
+            if (responseCode == HttpURLConnection.HTTP_MOVED_TEMP ||
+            responseCode == HttpURLConnection.HTTP_MOVED_PERM ||
+                    responseCode == 307 || responseCode == 300
+            ) {
+                String redirectUrl = connection.getHeaderField("Location");
+
+                if (redirectUrl != null && !redirectUrl.isBlank()) {
+                    // 리다이렉트 URL로 재귀 호출
+                    return uploadFromExternalUrl(redirectUrl, folder);
+                }
+            }
+
+            if (responseCode != 200) {
+                return externalUrl;
+            }
+
+            String contentType = connection.getContentType();
+            String extension = getExtensionFromContentType(contentType);
+            if (extension == null) {
+                extension = getExtensionFromUrl(externalUrl);
+            }
+
+            String s3Key = String.format("%s/%s.%s", folder, UUID.randomUUID().toString().substring(0, 10), extension);
+            try (InputStream inputStream = connection.getInputStream()){
+                byte[] imageBytes = inputStream.readAllBytes();
+
+                PutObjectRequest putObjectRequest = PutObjectRequest.builder()
+                        .bucket(bucketName)
+                        .key(s3Key)
+                        .contentType(contentType != null ? contentType :  "image/" + extension)
+                        .contentLength((long) imageBytes.length)
+                        .cacheControl("public, max-age=31536000")
+                        .build();
+
+                s3Client.putObject(putObjectRequest, RequestBody.fromBytes(imageBytes));
+
+                return buildImageUrl(s3Key);
+
+            }
+        } catch (Exception e) {
+            log.error("외부 이미지 업로드 실패 - URL: {}, 에러: {}", externalUrl, e.getMessage());
+            return externalUrl;
+        }
+    }
 
+    private String getExtensionFromUrl(String url) {
+        try {
+            String path = new URI(url).getPath();
+            int lastDot = path.lastIndexOf('.');
+            if (lastDot > 0) {
+                return path.substring(lastDot + 1).toLowerCase();
+            }
+        } catch (Exception ignored) {}
+        return "jpg";
+    }
+
+    private String getExtensionFromContentType(String contentType) {
+        if (contentType == null) return null;
+        return switch (contentType.toLowerCase()) {
+            case "image/jpeg", "image/jpg" -> "jpg";
+            case "image/png" -> "png";
+            case "image/webp" -> "webp";
+            case "image/gif" -> "gif";
+            default -> null;
+        };
+    }
 
+    public boolean isInternalUrl(String url) {
+        if (url == null || url.isBlank()) {
+            return false;
+        }
+        return url.contains("s3.ap-northeast-2.amazonaws.com") ||
+                url.contains("cloudfront.net") ||
+                url.contains(bucketName);
+    }
+
+    public String uploadPosterFromExternalUrl(String externalUrl) {
+        return uploadFromExternalUrl(externalUrl, FOLDER_POSTERS);
+    }
 
 }
\ No newline at end of file