diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e0ffa1f7..8b4d500f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -57,4 +57,15 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-        run: ./gradlew test sonar --info --stacktrace
+        run: |
+          # 포크에서 온 PR: PR 연동 시 원본 레포에 PR이 없어 실패하므로 브랜치 분석만 수행
+          # 같은 레포 PR: PR 데코레이션 사용
+          if [ "${{ github.event.pull_request.head.repo.full_name }}" = "${{ github.repository }}" ]; then
+            ./gradlew test sonar --info --stacktrace \
+              -Dsonar.pullrequest.key=${{ github.event.pull_request.number }} \
+              -Dsonar.pullrequest.branch=${{ github.head_ref }} \
+              -Dsonar.pullrequest.base=${{ github.base_ref }}
+          else
+            ./gradlew test sonar --info --stacktrace \
+              -Dsonar.branch.name=pr-${{ github.event.pull_request.number }}
+          fi
diff --git a/.github/workflows/dev-cd.yml b/.github/workflows/dev-cd.yml
index 60c18c19..83682fc8 100644
--- a/.github/workflows/dev-cd.yml
+++ b/.github/workflows/dev-cd.yml
@@ -33,6 +33,14 @@ jobs:
       - name: Grant gradlew permission
         run: chmod +x ./gradlew
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          install: true
+
       - name: Log in to DockerHub
         uses: docker/login-action@v2
         with:
@@ -42,48 +50,56 @@ jobs:
       - name: Build & Push App Image
         run: |
           docker buildx build \
-            --platform linux/amd64 \
+            --platform linux/arm64 \
             --push \
             --file clokey-api/Dockerfile \
-            --tag ${{ secrets.DOCKERHUB_USERNAME }}/clokey-docker-2025:dev-app \
+            --tag ${{ secrets.DOCKERHUB_USERNAME }}/clokey-docker-2026:dev-app \
             .
 
-      - name: Copy dev-docker-compose.yml
+      - name: Copy dev-compose
         uses: appleboy/scp-action@v0.1.3
         with:
           username: ubuntu
-          host: ${{ secrets.DEV_EC2_HOST }}
-          key: ${{ secrets.DEV_EC2_SSH_KEY }}
-          source: ./clokey-api/dev-compose.yml
+          host: ${{ secrets.OCI_HOST }}
+          key: ${{ secrets.OCI_INSTANCE_SSH_KEY }}
+          source: "clokey-api/dev-compose.yml"
           target: /home/ubuntu/
 
+      - name: Set OCI private key env (multiline)
+        run: |
+          echo "OCI_PRIVATE_KEY<<ENDOFKEY" >> $GITHUB_ENV
+          echo "${{ secrets.OCI_PRIVATE_KEY }}" >> $GITHUB_ENV
+          echo "ENDOFKEY" >> $GITHUB_ENV
+
+      - name: Prepare OCI key base64 for Deploy script
+        run: echo "OCI_PRIVATE_KEY_B64=$(echo -n "$OCI_PRIVATE_KEY" | base64 -w 0)" >> $GITHUB_ENV
+
       - name: Deploy App
         uses: appleboy/ssh-action@master
         with:
           username: ubuntu
-          host: ${{ secrets.DEV_EC2_HOST }}
-          key: ${{ secrets.DEV_EC2_SSH_KEY }}
+          host: ${{ secrets.OCI_HOST }}
+          key: ${{ secrets.OCI_INSTANCE_SSH_KEY }}
+          envs: DOCKERHUB_USERNAME,CODIVE_DEV_BASE_URL,CODIVE_PROD_BASE_URL,OCI_MYSQL_HEATWAVE_HOST,OCI_DEV_MYSQL_DB_NAME,OCI_MYSQL_USERNAME,OCI_MYSQL_PASSWORD,REDIS_PASSWORD,KAKAO_CLIENT_ID,KAKAO_CLIENT_SECRET,APPLE_CLIENT_ID,APPLE_CLIENT_SECRET,JWT_ACCESS_TOKEN_SECRET,JWT_REFRESH_TOKEN_SECRET,JWT_ACCESS_TOKEN_EXPIRATION_TIME,JWT_REFRESH_TOKEN_EXPIRATION_TIME,JWT_ISSUER,OCI_TENANCY_ID,OCI_USER_ID,OCI_FINGERPRINT,OCI_REGION,OCI_PASSPHRASE,OCI_OBJECTSTORAGE_NAMESPACE,OCI_DEV_OBJECTSTORAGE_BUCKET,SWAGGER_USERNAME,SWAGGER_PASSWORD,FIREBASE_SA_JSON_B64,AI_SERVER_IP,CLOTH_INFERENCE_PATH,STYLE_INFERENCE_PATH,HISTORY_CLOTH_DETECT_PATH,MEILISEARCH_ENDPOINT,MEILISEARCH_KEY
           script: |
-            export DOCKERHUB_NAME=${{ secrets.DOCKERHUB_USERNAME }}
+            export DOCKERHUB_USERNAME=${{ secrets.DOCKERHUB_USERNAME }}
             export DOCKER_TAG=dev-app
+            
+            export CODIVE_DEV_BASE_URL=${{ secrets.CODIVE_DEV_BASE_URL }}
+            export CODIVE_PROD_BASE_URL=${{ secrets.CODIVE_PROD_BASE_URL }}
 
-            export DEV_MYSQL_HOST=${{ secrets.DEV_MYSQL_HOST }}
-            export MYSQL_PORT=${{ secrets.MYSQL_PORT }}
-            export DB_NAME=${{ secrets.DB_NAME }}
-            export DB_USERNAME=${{ secrets.DB_USERNAME }}
-            export DB_PASSWORD=${{ secrets.DB_PASSWORD }}
+            export OCI_MYSQL_HEATWAVE_HOST=${{ secrets.OCI_MYSQL_HEATWAVE_HOST }}
+            export OCI_DEV_MYSQL_DB_NAME=${{ secrets.OCI_DEV_MYSQL_DB_NAME }}
+            export OCI_MYSQL_USERNAME=${{ secrets.OCI_MYSQL_USERNAME }}
+            export OCI_MYSQL_PASSWORD=${{ secrets.OCI_MYSQL_PASSWORD }}
 
-            export REDIS_HOST=${{ secrets.REDIS_HOST }}
-            export REDIS_PORT=${{ secrets.REDIS_PORT }}
             export REDIS_PASSWORD=${{ secrets.REDIS_PASSWORD }}
 
             export KAKAO_CLIENT_ID=${{ secrets.KAKAO_CLIENT_ID }}
-            export KAKAO_CLIENT_SECRET=${{ secrets.DEV_KAKAO_CLIENT_SECRET }}
-            export KAKAO_REDIRECT_URI=${{ secrets.KAKAO_REDIRECT_URI }}
+            export KAKAO_CLIENT_SECRET=${{ secrets.KAKAO_CLIENT_SECRET }}
 
             export APPLE_CLIENT_ID=${{ secrets.APPLE_CLIENT_ID }}
             export APPLE_CLIENT_SECRET=${{ secrets.APPLE_CLIENT_SECRET }}
-            export APPLE_REDIRECT_URI=${{ secrets.APPLE_REDIRECT_URI }}
 
             export JWT_ACCESS_TOKEN_SECRET=${{ secrets.JWT_ACCESS_TOKEN_SECRET }}
             export JWT_REFRESH_TOKEN_SECRET=${{ secrets.JWT_REFRESH_TOKEN_SECRET }}
@@ -91,11 +107,13 @@ jobs:
             export JWT_REFRESH_TOKEN_EXPIRATION_TIME=${{ secrets.JWT_REFRESH_TOKEN_EXPIRATION_TIME }}
             export JWT_ISSUER=${{ secrets.JWT_ISSUER }}
 
-            export DEV_AWS_ACCESS_KEY_ID=${{ secrets.DEV_AWS_ACCESS_KEY_ID }}
-            export DEV_AWS_SECRET_ACCESS_KEY=${{ secrets.DEV_AWS_SECRET_ACCESS_KEY }}
-            export AWS_REGION=${{ secrets.AWS_REGION }}
-            export DEV_S3_BUCKET=${{ secrets.DEV_S3_BUCKET }}
-            export DEV_S3_ENDPOINT=${{ secrets.DEV_S3_ENDPOINT }}
+            export OCI_TENANCY_ID=${{ secrets.OCI_TENANCY_ID }}
+            export OCI_USER_ID=${{ secrets.OCI_USER_ID }}
+            export OCI_FINGERPRINT=${{ secrets.OCI_FINGERPRINT }}
+            export OCI_REGION=${{ secrets.OCI_REGION }}
+            export OCI_PASSPHRASE=${{ secrets.OCI_PASSPHRASE }}
+            export OCI_OBJECTSTORAGE_NAMESPACE=${{ secrets.OCI_OBJECTSTORAGE_NAMESPACE }}
+            export OCI_DEV_OBJECTSTORAGE_BUCKET=${{ secrets.OCI_DEV_OBJECTSTORAGE_BUCKET }}
 
             export SWAGGER_USERNAME=${{ secrets.SWAGGER_USERNAME }}
             export SWAGGER_PASSWORD=${{ secrets.SWAGGER_PASSWORD }}
@@ -106,21 +124,24 @@ jobs:
             export AI_SERVER_IP=${{ secrets.AI_SERVER_IP }}
             export CLOTH_INFERENCE_PATH=${{ secrets.CLOTH_INFERENCE_PATH }}
             export STYLE_INFERENCE_PATH=${{ secrets.STYLE_INFERENCE_PATH }}
-            export CLOTH_DETECT_PATH=${{ secrets.CLOTH_DETECT_PATH }}
+            export HISTORY_CLOTH_DETECT_PATH=${{ secrets.HISTORY_CLOTH_DETECT_PATH }}
             export DEFAULT_PROFILE_IMAGE_URL=${{ secrets.DEFAULT_PROFILE_IMAGE_URL }}
             export TODAY_TEMPERATURE_IMAGE_URL=${{ secrets.TODAY_TEMPERATURE_IMAGE_URL }}
 
-            sudo mkdir -p /home/ubuntu/secrets
-            echo "${{ secrets.FIREBASE_SA_JSON_B64 }}" | base64 -d | sudo tee /home/ubuntu/secrets/firebase-sa.json > /dev/null
-            sudo chmod 600 /home/ubuntu/secrets/firebase-sa.json
+            mkdir -p /home/ubuntu/secrets
+            echo "${{ secrets.FIREBASE_SA_JSON_B64 }}" | base64 -d | tee /home/ubuntu/secrets/firebase-sa.json > /dev/null
+            chmod 600 /home/ubuntu/secrets/firebase-sa.json
+
+            echo '${{ env.OCI_PRIVATE_KEY_B64 }}' | base64 -d | tee /home/ubuntu/secrets/oci_key.pem > /dev/null
+            chmod 600 /home/ubuntu/secrets/oci_key.pem
+            export OCI_PRIVATE_KEY="$(cat /home/ubuntu/secrets/oci_key.pem)"
 
             export FIREBASE_CREDENTIALS_PATH=/home/ubuntu/secrets/firebase-sa.json
 
             echo "${{ secrets.DOCKERHUB_TOKEN }}" | docker login -u "${{ secrets.DOCKERHUB_USERNAME }}" --password-stdin
 
             cd /home/ubuntu
-            docker compose -f clokey-api/dev-compose.yml up -d
-            
+            docker compose -p clokey-dev -f clokey-api/dev-compose.yml up -d
+
             echo "Cleaning up dangling Docker images..."
-            docker image prune -f
-            
+            docker image prune -f
\ No newline at end of file
diff --git a/.github/workflows/prod-cd.yml b/.github/workflows/prod-cd.yml
index 20b85f26..72a76f02 100644
--- a/.github/workflows/prod-cd.yml
+++ b/.github/workflows/prod-cd.yml
@@ -5,7 +5,7 @@ on:
     branches: [ main ]
 
 jobs:
-  dev-cd:
+  prod-cd:
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -33,6 +33,9 @@ jobs:
       - name: Grant gradlew permission
         run: chmod +x ./gradlew
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
         with:
@@ -52,60 +55,71 @@ jobs:
       - name: Build & Push App Image
         run: |
           docker buildx build \
-            --platform linux/amd64 \
+            --platform linux/arm64 \
             --push \
             --file clokey-api/Dockerfile \
-            --tag ${{ secrets.DOCKERHUB_USERNAME }}/clokey-docker-2025:prod-app \
+            --tag ${{ secrets.DOCKERHUB_USERNAME }}/clokey-docker-2026:prod-app \
             .
 
-      - name: Copy prod-docker-compose.yml
+      - name: Copy prod-compose
         uses: appleboy/scp-action@v0.1.3
         with:
           username: ubuntu
-          host: ${{ secrets.PROD_EC2_HOST }}
-          key: ${{ secrets.PROD_EC2_SSH_KEY }}
-          source: ./clokey-api/prod-compose.yml
+          host: ${{ secrets.OCI_HOST }}
+          key: ${{ secrets.OCI_INSTANCE_SSH_KEY }}
+          source: "clokey-api/prod-compose.yml"
           target: /home/ubuntu/
 
+      - name: Set OCI private key env (multiline)
+        run: |
+          echo "OCI_PRIVATE_KEY<<ENDOFKEY" >> $GITHUB_ENV
+          echo "${{ secrets.OCI_PRIVATE_KEY }}" >> $GITHUB_ENV
+          echo "ENDOFKEY" >> $GITHUB_ENV
+
+      - name: Prepare OCI key base64 for Deploy script
+        run: echo "OCI_PRIVATE_KEY_B64=$(echo -n "$OCI_PRIVATE_KEY" | base64 -w 0)" >> $GITHUB_ENV
+
       - name: Deploy App
         uses: appleboy/ssh-action@master
         with:
           username: ubuntu
-          host: ${{ secrets.PROD_EC2_HOST }}
-          key: ${{ secrets.PROD_EC2_SSH_KEY }}
+          host: ${{ secrets.OCI_HOST }}
+          key: ${{ secrets.OCI_INSTANCE_SSH_KEY }}
+          envs: DOCKERHUB_USERNAME,CODIVE_DEV_BASE_URL,CODIVE_PROD_BASE_URL,OCI_MYSQL_HEATWAVE_HOST,OCI_PROD_MYSQL_DB_NAME,OCI_MYSQL_USERNAME,OCI_MYSQL_PASSWORD,REDIS_PASSWORD,KAKAO_CLIENT_ID,KAKAO_CLIENT_SECRET,APPLE_CLIENT_ID,APPLE_CLIENT_SECRET,JWT_ACCESS_TOKEN_SECRET,JWT_REFRESH_TOKEN_SECRET,JWT_ACCESS_TOKEN_EXPIRATION_TIME,JWT_REFRESH_TOKEN_EXPIRATION_TIME,JWT_ISSUER,OCI_TENANCY_ID,OCI_USER_ID,OCI_FINGERPRINT,OCI_PRIVATE_KEY,OCI_REGION,OCI_PASSPHRASE,OCI_OBJECTSTORAGE_NAMESPACE,OCI_PROD_OBJECTSTORAGE_BUCKET,SWAGGER_USERNAME,SWAGGER_PASSWORD,FIREBASE_SA_JSON_B64,AI_SERVER_IP,CLOTH_INFERENCE_PATH,STYLE_INFERENCE_PATH,HISTORY_CLOTH_DETECT_PATH,MEILISEARCH_ENDPOINT,MEILISEARCH_KEY
           script: |
-            export DOCKERHUB_NAME=${{ secrets.DOCKERHUB_USERNAME }}
+            export DOCKERHUB_USERNAME=${{ secrets.DOCKERHUB_USERNAME }}
             export DOCKER_TAG=prod-app
 
-            export PROD_MYSQL_HOST=${{ secrets.PROD_MYSQL_HOST }}
-            export MYSQL_PORT=${{ secrets.MYSQL_PORT }}
-            export DB_NAME=${{ secrets.DB_NAME }}
-            export DB_USERNAME=${{ secrets.DB_USERNAME }}
-            export DB_PASSWORD=${{ secrets.DB_PASSWORD }}
+            export CODIVE_DEV_BASE_URL=${{ secrets.CODIVE_DEV_BASE_URL }}
+            export CODIVE_PROD_BASE_URL=${{ secrets.CODIVE_PROD_BASE_URL }}
+
+            export OCI_MYSQL_HEATWAVE_HOST=${{ secrets.OCI_MYSQL_HEATWAVE_HOST }}
+            export OCI_PROD_MYSQL_DB_NAME=${{ secrets.OCI_PROD_MYSQL_DB_NAME }}
+            export OCI_MYSQL_USERNAME=${{ secrets.OCI_MYSQL_USERNAME }}
+            export OCI_MYSQL_PASSWORD=${{ secrets.OCI_MYSQL_PASSWORD }}
 
-            export REDIS_HOST=${{ secrets.REDIS_HOST }}
-            export REDIS_PORT=${{ secrets.REDIS_PORT }}
             export REDIS_PASSWORD=${{ secrets.REDIS_PASSWORD }}
 
             export KAKAO_CLIENT_ID=${{ secrets.KAKAO_CLIENT_ID }}
             export KAKAO_CLIENT_SECRET=${{ secrets.KAKAO_CLIENT_SECRET }}
-            export KAKAO_REDIRECT_URI=${{ secrets.KAKAO_REDIRECT_URI }}
 
             export APPLE_CLIENT_ID=${{ secrets.APPLE_CLIENT_ID }}
             export APPLE_CLIENT_SECRET=${{ secrets.APPLE_CLIENT_SECRET }}
-            export APPLE_REDIRECT_URI=${{ secrets.APPLE_REDIRECT_URI }}
-
+            
             export JWT_ACCESS_TOKEN_SECRET=${{ secrets.JWT_ACCESS_TOKEN_SECRET }}
             export JWT_REFRESH_TOKEN_SECRET=${{ secrets.JWT_REFRESH_TOKEN_SECRET }}
             export JWT_ACCESS_TOKEN_EXPIRATION_TIME=${{ secrets.JWT_ACCESS_TOKEN_EXPIRATION_TIME }}
             export JWT_REFRESH_TOKEN_EXPIRATION_TIME=${{ secrets.JWT_REFRESH_TOKEN_EXPIRATION_TIME }}
             export JWT_ISSUER=${{ secrets.JWT_ISSUER }}
 
-            export PROD_AWS_ACCESS_KEY_ID=${{ secrets.PROD_AWS_ACCESS_KEY_ID }}
-            export PROD_AWS_SECRET_ACCESS_KEY=${{ secrets.PROD_AWS_SECRET_ACCESS_KEY }}
-            export AWS_REGION=${{ secrets.AWS_REGION }}
-            export PROD_S3_BUCKET=${{ secrets.PROD_S3_BUCKET }}
-            export PROD_S3_ENDPOINT=${{ secrets.PROD_S3_ENDPOINT }}
+            export OCI_TENANCY_ID=${{ secrets.OCI_TENANCY_ID }}
+            export OCI_USER_ID=${{ secrets.OCI_USER_ID }}
+            export OCI_FINGERPRINT=${{ secrets.OCI_FINGERPRINT }}
+            export OCI_PRIVATE_KEY=${{ secrets.OCI_PRIVATE_KEY }}
+            export OCI_REGION=${{ secrets.OCI_REGION }}
+            export OCI_PASSPHRASE=${{ secrets.OCI_PASSPHRASE }}
+            export OCI_OBJECTSTORAGE_NAMESPACE=${{ secrets.OCI_OBJECTSTORAGE_NAMESPACE }}
+            export OCI_PROD_OBJECTSTORAGE_BUCKET=${{ secrets.OCI_PROD_OBJECTSTORAGE_BUCKET }}
 
             export SWAGGER_USERNAME=${{ secrets.SWAGGER_USERNAME }}
             export SWAGGER_PASSWORD=${{ secrets.SWAGGER_PASSWORD }}
@@ -116,21 +130,24 @@ jobs:
             export AI_SERVER_IP=${{ secrets.AI_SERVER_IP }}
             export CLOTH_INFERENCE_PATH=${{ secrets.CLOTH_INFERENCE_PATH }}
             export STYLE_INFERENCE_PATH=${{ secrets.STYLE_INFERENCE_PATH }}
-            export CLOTH_DETECT_PATH=${{ secrets.CLOTH_DETECT_PATH }}
+            export HISTORY_CLOTH_DETECT_PATH=${{ secrets.HISTORY_CLOTH_DETECT_PATH }}
             export DEFAULT_PROFILE_IMAGE_URL=${{ secrets.DEFAULT_PROFILE_IMAGE_URL }}
             export TODAY_TEMPERATURE_IMAGE_URL=${{ secrets.TODAY_TEMPERATURE_IMAGE_URL }}
 
-            sudo mkdir -p /home/ubuntu/secrets
-            echo "${{ secrets.FIREBASE_SA_JSON_B64 }}" | base64 -d | sudo tee /home/ubuntu/secrets/firebase-sa.json > /dev/null
-            sudo chmod 600 /home/ubuntu/secrets/firebase-sa.json
+            mkdir -p /home/ubuntu/secrets
+            echo "${{ secrets.FIREBASE_SA_JSON_B64 }}" | base64 -d | tee /home/ubuntu/secrets/firebase-sa.json > /dev/null
+            chmod 600 /home/ubuntu/secrets/firebase-sa.json
+
+            echo '${{ env.OCI_PRIVATE_KEY_B64 }}' | base64 -d | tee /home/ubuntu/secrets/oci_key.pem > /dev/null
+            chmod 600 /home/ubuntu/secrets/oci_key.pem
+            export OCI_PRIVATE_KEY="$(cat /home/ubuntu/secrets/oci_key.pem)"
 
             export FIREBASE_CREDENTIALS_PATH=/home/ubuntu/secrets/firebase-sa.json
 
             echo "${{ secrets.DOCKERHUB_TOKEN }}" | docker login -u "${{ secrets.DOCKERHUB_USERNAME }}" --password-stdin
             
             cd /home/ubuntu
-            docker compose -f clokey-api/prod-compose.yml up -d
+            docker compose -p clokey-prod -f clokey-api/prod-compose.yml up -d
 
             echo "Cleaning up dangling Docker images..."
-            docker image prune -f
-            
+            docker image prune -f
\ No newline at end of file
diff --git a/.github/workflows/prod-openapi.yml b/.github/workflows/prod-openapi.yml
index 2ab646ee..d0938c28 100644
--- a/.github/workflows/prod-openapi.yml
+++ b/.github/workflows/prod-openapi.yml
@@ -20,6 +20,7 @@ jobs:
 
     env:
       CODIVEAPI_BRANCH: main
+      PROD_OPENAPI_URL: "${{ secrets.CODIVE_PROD_BASE_URL }}/v3/api-docs"
       TARGET_PATH: Sources/CodiveAPI/openapi.yaml
       SWAGGER_USERNAME: ${{ secrets.SWAGGER_USERNAME }}
       SWAGGER_PASSWORD: ${{ secrets.SWAGGER_PASSWORD }}
@@ -31,8 +32,6 @@ jobs:
           fetch-depth: 1
 
       - name: Wait for production server to be ready
-        env:
-          PROD_OPENAPI_URL: ${{ secrets.PROD_OPENAPI_URL }}
         run: |
           set -euo pipefail
           echo "Waiting for production OpenAPI to be ready..."
@@ -53,8 +52,6 @@ jobs:
 
 
       - name: Fetch OpenAPI JSON from production
-        env:
-          PROD_OPENAPI_URL: ${{ secrets.PROD_OPENAPI_URL }}
         run: |
           set -euo pipefail
           echo "Fetching OpenAPI from: $PROD_OPENAPI_URL"
diff --git a/build.gradle b/build.gradle
index c3efbc96..0310c302 100644
--- a/build.gradle
+++ b/build.gradle
@@ -128,6 +128,7 @@ tasks.register('updateGitHooks', Copy) {
 }
 
 tasks.register('makeGitHooksExecutable', Exec) {
+    onlyIf { !System.getProperty('os.name').toLowerCase(java.util.Locale.ROOT).contains('windows') }
     commandLine 'chmod', '+x', './.git/hooks/pre-commit'
     dependsOn updateGitHooks
 }
diff --git a/clokey-api/build.gradle b/clokey-api/build.gradle
index 24343d8c..01739638 100644
--- a/clokey-api/build.gradle
+++ b/clokey-api/build.gradle
@@ -21,4 +21,6 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-data-redis'
 
     implementation 'io.vanslog:spring-data-meilisearch:0.7.3'
+
+    testImplementation 'com.oracle.oci.sdk:oci-java-sdk-objectstorage:3.47.0'
 }
diff --git a/clokey-api/dev-compose.yml b/clokey-api/dev-compose.yml
index 220f6bac..8572cd46 100644
--- a/clokey-api/dev-compose.yml
+++ b/clokey-api/dev-compose.yml
@@ -1,37 +1,57 @@
+name: clokey-dev
+
 version: "3.8"
 
 services:
+  redis-dev:
+    image: redis:7-alpine
+    container_name: clokey-redis-dev
+    restart: unless-stopped
+    environment:
+      REDIS_PASSWORD: ${REDIS_PASSWORD}
+    command: ["sh", "-c", "if [ -n \"$$REDIS_PASSWORD\" ]; then exec redis-server --requirepass \"$$REDIS_PASSWORD\"; else exec redis-server; fi"]
+    ports:
+      - "6379:6379"
+    volumes:
+      - redis_dev_data:/data
+    networks:
+      - dev_app_network
+
   app:
-    image: ${DOCKERHUB_NAME}/clokey-docker-2025:${DOCKER_TAG}
-    container_name: clokey-app
+    image: ${DOCKERHUB_USERNAME}/clokey-docker-2026:${DOCKER_TAG}
+    container_name: clokey-app-dev
     pull_policy: always
+    depends_on:
+      - redis-dev
     ports:
       - "8080:8080"
     environment:
       SPRING_PROFILES_ACTIVE: dev
       TZ: Asia/Seoul
 
-      # Database
-      DEV_MYSQL_HOST: ${DEV_MYSQL_HOST}
-      MYSQL_PORT: ${MYSQL_PORT}
-      DB_NAME: ${DB_NAME}
-      DB_USERNAME: ${DB_USERNAME}
-      DB_PASSWORD: ${DB_PASSWORD}
+      # Domain
+      CODIVE_DEV_BASE_URL: ${CODIVE_DEV_BASE_URL}
+      CODIVE_PROD_BASE_URL: ${CODIVE_PROD_BASE_URL}
+
+      # Database (MySQL HeatWave)
+      OCI_MYSQL_HEATWAVE_HOST: ${OCI_MYSQL_HEATWAVE_HOST}
+      MYSQL_PORT: 3306
+      OCI_DEV_MYSQL_DB_NAME: ${OCI_DEV_MYSQL_DB_NAME}
+      OCI_MYSQL_USERNAME: ${OCI_MYSQL_USERNAME}
+      OCI_MYSQL_PASSWORD: ${OCI_MYSQL_PASSWORD}
 
       # Redis
-      REDIS_HOST: ${REDIS_HOST}
-      REDIS_PORT: ${REDIS_PORT}
+      REDIS_HOST: redis-dev
+      REDIS_PORT: 6379
       REDIS_PASSWORD: ${REDIS_PASSWORD}
 
       # Kakao OIDC
       KAKAO_CLIENT_ID: ${KAKAO_CLIENT_ID}
       KAKAO_CLIENT_SECRET: ${KAKAO_CLIENT_SECRET}
-      KAKAO_REDIRECT_URI: ${KAKAO_REDIRECT_URI}
 
       # Apple OIDC
       APPLE_CLIENT_ID: ${APPLE_CLIENT_ID}
       APPLE_CLIENT_SECRET: ${APPLE_CLIENT_SECRET}
-      APPLE_REDIRECT_URI: ${APPLE_REDIRECT_URI}
 
       # Firebase
       FIREBASE_CREDENTIALS_PATH: /run/secrets/firebase-sa.json
@@ -45,33 +65,40 @@ services:
       JWT_REFRESH_TOKEN_EXPIRATION_TIME: ${JWT_REFRESH_TOKEN_EXPIRATION_TIME}
       JWT_ISSUER: ${JWT_ISSUER}
 
-      # AWS S3
-      DEV_AWS_ACCESS_KEY_ID: ${DEV_AWS_ACCESS_KEY_ID}
-      DEV_AWS_SECRET_ACCESS_KEY: ${DEV_AWS_SECRET_ACCESS_KEY}
-      AWS_REGION: ${AWS_REGION}
-      DEV_S3_BUCKET: ${DEV_S3_BUCKET}
-      DEV_S3_ENDPOINT: ${DEV_S3_ENDPOINT}
+      # OCI Object Storage
+      OCI_TENANCY_ID: ${OCI_TENANCY_ID}
+      OCI_USER_ID: ${OCI_USER_ID}
+      OCI_FINGERPRINT: ${OCI_FINGERPRINT}
+      OCI_PRIVATE_KEY: ${OCI_PRIVATE_KEY}
+      OCI_REGION: ${OCI_REGION}
+      OCI_PASSPHRASE: ${OCI_PASSPHRASE}
+      OCI_OBJECTSTORAGE_NAMESPACE: ${OCI_OBJECTSTORAGE_NAMESPACE}
+      OCI_DEV_OBJECTSTORAGE_BUCKET: ${OCI_DEV_OBJECTSTORAGE_BUCKET}
 
       # Swagger
       SWAGGER_USERNAME: ${SWAGGER_USERNAME}
       SWAGGER_PASSWORD: ${SWAGGER_PASSWORD}
 
+      # MeiliSearch
+      MEILISEARCH_ENDPOINT: ${MEILISEARCH_ENDPOINT}
+      MEILISEARCH_KEY: ${MEILISEARCH_KEY}
+
+      # External API (AI)
       AI_SERVER_IP: ${AI_SERVER_IP}
       CLOTH_INFERENCE_PATH: ${CLOTH_INFERENCE_PATH}
       STYLE_INFERENCE_PATH: ${STYLE_INFERENCE_PATH}
-      CLOTH_DETECT_PATH: ${CLOTH_DETECT_PATH}
-
-      # MeilieSearch
-      MEILISEARCH_ENDPOINT: ${MEILISEARCH_ENDPOINT}
-      MEILISEARCH_KEY: ${MEILISEARCH_KEY}
+      HISTORY_CLOTH_DETECT_PATH: ${HISTORY_CLOTH_DETECT_PATH}
 
     volumes:
       - /home/ubuntu/secrets/firebase-sa.json:/run/secrets/firebase-sa.json:ro
 
     networks:
-      - app_network
+      - dev_app_network
 
 networks:
-  app_network:
-    name: app_network
+  dev_app_network:
+    name: dev_app_network
     driver: bridge
+
+volumes:
+  redis_dev_data:
diff --git a/clokey-api/prod-compose.yml b/clokey-api/prod-compose.yml
index 9d397826..59340895 100644
--- a/clokey-api/prod-compose.yml
+++ b/clokey-api/prod-compose.yml
@@ -1,37 +1,57 @@
+name: clokey-prod
+
 version: "3.8"
 
 services:
+  redis-prod:
+    image: redis:7-alpine
+    container_name: clokey-redis-prod
+    restart: unless-stopped
+    environment:
+      REDIS_PASSWORD: ${REDIS_PASSWORD}
+    command: ["sh", "-c", "if [ -n \"$$REDIS_PASSWORD\" ]; then exec redis-server --requirepass \"$$REDIS_PASSWORD\"; else exec redis-server; fi"]
+    ports:
+      - "6380:6379"
+    volumes:
+      - redis_prod_data:/data
+    networks:
+      - prod_app_network
+
   app:
-    image: ${DOCKERHUB_NAME}/clokey-docker-2025:${DOCKER_TAG}
-    container_name: clokey-app
+    image: ${DOCKERHUB_USERNAME}/clokey-docker-2026:${DOCKER_TAG}
+    container_name: clokey-app-prod
     pull_policy: always
+    depends_on:
+      - redis-prod
     ports:
-      - "8080:8080"
+      - "8081:8080"
     environment:
       SPRING_PROFILES_ACTIVE: prod
       TZ: Asia/Seoul
 
-      # Database
-      PROD_MYSQL_HOST: ${PROD_MYSQL_HOST}
-      MYSQL_PORT: ${MYSQL_PORT}
-      DB_NAME: ${DB_NAME}
-      DB_USERNAME: ${DB_USERNAME}
-      DB_PASSWORD: ${DB_PASSWORD}
+      # Domain
+      CODIVE_DEV_BASE_URL: ${CODIVE_DEV_BASE_URL}
+      CODIVE_PROD_BASE_URL: ${CODIVE_PROD_BASE_URL}
+
+      # Database (MySQL HeatWave)
+      OCI_MYSQL_HEATWAVE_HOST: ${OCI_MYSQL_HEATWAVE_HOST}
+      MYSQL_PORT: 3306
+      OCI_PROD_MYSQL_DB_NAME: ${OCI_PROD_MYSQL_DB_NAME}
+      OCI_MYSQL_USERNAME: ${OCI_MYSQL_USERNAME}
+      OCI_MYSQL_PASSWORD: ${OCI_MYSQL_PASSWORD}
 
       # Redis
-      REDIS_HOST: ${REDIS_HOST}
-      REDIS_PORT: ${REDIS_PORT}
+      REDIS_HOST: redis-prod
+      REDIS_PORT: 6379
       REDIS_PASSWORD: ${REDIS_PASSWORD}
 
       # Kakao OIDC
       KAKAO_CLIENT_ID: ${KAKAO_CLIENT_ID}
       KAKAO_CLIENT_SECRET: ${KAKAO_CLIENT_SECRET}
-      KAKAO_REDIRECT_URI: ${KAKAO_REDIRECT_URI}
 
       # Apple OIDC
       APPLE_CLIENT_ID: ${APPLE_CLIENT_ID}
       APPLE_CLIENT_SECRET: ${APPLE_CLIENT_SECRET}
-      APPLE_REDIRECT_URI: ${APPLE_REDIRECT_URI}
 
       # Firebase
       FIREBASE_CREDENTIALS_PATH: /run/secrets/firebase-sa.json
@@ -45,33 +65,40 @@ services:
       JWT_REFRESH_TOKEN_EXPIRATION_TIME: ${JWT_REFRESH_TOKEN_EXPIRATION_TIME}
       JWT_ISSUER: ${JWT_ISSUER}
 
-      # AWS S3
-      PROD_AWS_ACCESS_KEY_ID: ${PROD_AWS_ACCESS_KEY_ID}
-      PROD_AWS_SECRET_ACCESS_KEY: ${PROD_AWS_SECRET_ACCESS_KEY}
-      AWS_REGION: ${AWS_REGION}
-      PROD_S3_BUCKET: ${PROD_S3_BUCKET}
-      PROD_S3_ENDPOINT: ${PROD_S3_ENDPOINT}
+      # OCI Object Storage
+      OCI_TENANCY_ID: ${OCI_TENANCY_ID}
+      OCI_USER_ID: ${OCI_USER_ID}
+      OCI_FINGERPRINT: ${OCI_FINGERPRINT}
+      OCI_PRIVATE_KEY: ${OCI_PRIVATE_KEY}
+      OCI_REGION: ${OCI_REGION}
+      OCI_PASSPHRASE: ${OCI_PASSPHRASE}
+      OCI_OBJECTSTORAGE_NAMESPACE: ${OCI_OBJECTSTORAGE_NAMESPACE}
+      OCI_PROD_OBJECTSTORAGE_BUCKET: ${OCI_PROD_OBJECTSTORAGE_BUCKET}
 
       # Swagger
       SWAGGER_USERNAME: ${SWAGGER_USERNAME}
       SWAGGER_PASSWORD: ${SWAGGER_PASSWORD}
 
+      # MeiliSearch
+      MEILISEARCH_ENDPOINT: ${MEILISEARCH_ENDPOINT}
+      MEILISEARCH_KEY: ${MEILISEARCH_KEY}
+
+      # External API (AI)
       AI_SERVER_IP: ${AI_SERVER_IP}
       CLOTH_INFERENCE_PATH: ${CLOTH_INFERENCE_PATH}
       STYLE_INFERENCE_PATH: ${STYLE_INFERENCE_PATH}
-      CLOTH_DETECT_PATH: ${CLOTH_DETECT_PATH}
-
-      # MeilieSearch
-      MEILISEARCH_ENDPOINT: ${MEILISEARCH_ENDPOINT}
-      MEILISEARCH_KEY: ${MEILISEARCH_KEY}
+      HISTORY_CLOTH_DETECT_PATH: ${HISTORY_CLOTH_DETECT_PATH}
 
     volumes:
       - /home/ubuntu/secrets/firebase-sa.json:/run/secrets/firebase-sa.json:ro
 
     networks:
-      - app_network
+      - prod_app_network
 
 networks:
-  app_network:
-    name: app_network
+  prod_app_network:
+    name: prod_app_network
     driver: bridge
+
+volumes:
+  redis_prod_data:
diff --git a/clokey-api/src/main/java/org/clokey/domain/cloth/dto/response/ClothImagesPresignedUrlResponse.java b/clokey-api/src/main/java/org/clokey/domain/cloth/dto/response/ClothImagesPresignedUrlResponse.java
index 95ae7ad9..16cdf286 100644
--- a/clokey-api/src/main/java/org/clokey/domain/cloth/dto/response/ClothImagesPresignedUrlResponse.java
+++ b/clokey-api/src/main/java/org/clokey/domain/cloth/dto/response/ClothImagesPresignedUrlResponse.java
@@ -4,8 +4,9 @@
 import java.util.List;
 
 public record ClothImagesPresignedUrlResponse(
-        @Schema(description = "생성된 presigned url 리스트") List<String> urls) {
-    public static ClothImagesPresignedUrlResponse of(List<String> urls) {
-        return new ClothImagesPresignedUrlResponse(urls);
+        @Schema(description = "업로드용 presigned url 리스트") List<String> urls,
+        @Schema(description = "저장/조회용 공개 객체 url 리스트") List<String> objectUrls) {
+    public static ClothImagesPresignedUrlResponse of(List<String> urls, List<String> objectUrls) {
+        return new ClothImagesPresignedUrlResponse(urls, objectUrls);
     }
 }
diff --git a/clokey-api/src/main/java/org/clokey/domain/cloth/service/ClothAiServiceImpl.java b/clokey-api/src/main/java/org/clokey/domain/cloth/service/ClothAiServiceImpl.java
index f8f52580..e6221aa3 100644
--- a/clokey-api/src/main/java/org/clokey/domain/cloth/service/ClothAiServiceImpl.java
+++ b/clokey-api/src/main/java/org/clokey/domain/cloth/service/ClothAiServiceImpl.java
@@ -36,7 +36,8 @@
 import org.clokey.global.util.MemberUtil;
 import org.clokey.member.entity.Member;
 import org.clokey.properties.WebClientProperties;
-import org.clokey.util.S3Util;
+import org.clokey.util.PresignedUrlResult;
+import org.clokey.util.StorageUtil;
 import org.clokey.util.WebClientUtil;
 import org.springframework.stereotype.Service;
 
@@ -52,7 +53,7 @@ public class ClothAiServiceImpl implements ClothAiService {
 
     private final MemberUtil memberUtil;
     private final CategoryRepository categoryRepository;
-    private final S3Util s3Util;
+    private final StorageUtil storageUtil;
     private final WebClientUtil webClientUtil;
     private final WebClientProperties webClientProperties;
 
@@ -61,19 +62,19 @@ public ClothImagesPresignedUrlResponse getClothUploadPresignedUrls(
             ClothImagesUploadRequest request) {
         final Member currentMember = memberUtil.getCurrentMember();
 
-        // 중요 :  md5 해시로 변조 확인을 하기 때문에 들어온 순서대로 반환해야함!!
-        List<String> presignedUrls =
+        List<PresignedUrlResult> presignedUrlResults =
                 request.payloads().stream()
                         .map(
                                 req ->
-                                        s3Util.createPresignedUrl(
+                                        storageUtil.createPresignedUrl(
                                                 ImageType.CLOTH_IMAGE,
                                                 currentMember.getId(),
-                                                req.fileExtension(),
-                                                req.md5Hashes()))
+                                                req.fileExtension()))
                         .toList();
 
-        return ClothImagesPresignedUrlResponse.of(presignedUrls);
+        return ClothImagesPresignedUrlResponse.of(
+                presignedUrlResults.stream().map(PresignedUrlResult::uploadUrl).toList(),
+                presignedUrlResults.stream().map(PresignedUrlResult::objectUrl).toList());
     }
 
     @Override
@@ -150,7 +151,7 @@ public ClothInfoExtractResponse extractClothInfo(ClothInfoExtractRequest request
 
             for (int i = 0; i < resultItems.size(); i++) {
                 ClothInfoExtractAiResponseDTO.ResultItem resultItem = resultItems.get(i);
-                String clothImageUrl = resultItem.uploadedUrl();
+                String clothImageUrl = storageUtil.toPublicObjectUrl(resultItem.uploadedUrl());
 
                 List<ClothInfoExtractAiResponseDTO.CategoryItem> categories =
                         resultItem.categories();
@@ -346,7 +347,10 @@ public ClothDetectResponse detectClothes(ClothDetectRequest request) {
             phaseStartedAtNs = System.nanoTime();
             List<ClothDetectResponse.Payload> payloads =
                     aiResponse.result().uploadedUrls().stream()
-                            .map(ClothDetectResponse.Payload::new)
+                            .map(
+                                    url ->
+                                            new ClothDetectResponse.Payload(
+                                                    storageUtil.toPublicObjectUrl(url)))
                             .toList();
             postProcessMs = elapsedMillis(phaseStartedAtNs);
 
@@ -370,13 +374,13 @@ public ClothDetectResponse detectClothes(ClothDetectRequest request) {
     }
 
     private void validateImageUrls(List<String> imageUrls) {
-        if (!s3Util.doAllFilesExistByUrls(imageUrls)) {
+        if (!storageUtil.doAllFilesExistByUrls(imageUrls)) {
             throw new BaseCustomException(ClothErrorCode.ClOTH_NOT_FOUND);
         }
     }
 
     private void validateImageUrl(String imageUrl) {
-        if (!s3Util.doesFileExistByUrl(imageUrl)) {
+        if (!storageUtil.doesFileExistByUrl(imageUrl)) {
             throw new BaseCustomException(HistoryErrorCode.HISTORY_IMAGE_NOT_FOUND);
         }
     }
@@ -403,8 +407,10 @@ private List<String> createPresignedUrls(Long memberId, int count) {
         return java.util.stream.IntStream.range(0, count)
                 .mapToObj(
                         i ->
-                                s3Util.createPresignedUrlWithoutMd5(
-                                        ImageType.CLOTH_IMAGE, memberId, FileExtension.JPEG))
+                                storageUtil
+                                        .createPresignedUrl(
+                                                ImageType.CLOTH_IMAGE, memberId, FileExtension.JPEG)
+                                        .uploadUrl())
                 .toList();
     }
 
diff --git a/clokey-api/src/main/java/org/clokey/domain/cloth/service/ClothServiceImpl.java b/clokey-api/src/main/java/org/clokey/domain/cloth/service/ClothServiceImpl.java
index 7588931f..6fbcce3e 100644
--- a/clokey-api/src/main/java/org/clokey/domain/cloth/service/ClothServiceImpl.java
+++ b/clokey-api/src/main/java/org/clokey/domain/cloth/service/ClothServiceImpl.java
@@ -29,7 +29,7 @@
 import org.clokey.global.util.MemberUtil;
 import org.clokey.member.entity.Member;
 import org.clokey.response.SliceResponse;
-import org.clokey.util.S3Util;
+import org.clokey.util.StorageUtil;
 import org.springframework.context.ApplicationEventPublisher;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.data.domain.Slice;
@@ -44,6 +44,7 @@ public class ClothServiceImpl implements ClothService {
     private static final ZoneId KST = ZoneId.of("Asia/Seoul");
 
     private final MemberUtil memberUtil;
+    private final StorageUtil storageUtil;
 
     private final ClothRepository clothRepository;
     private final CategoryRepository categoryRepository;
@@ -52,7 +53,6 @@ public class ClothServiceImpl implements ClothService {
 
     private final ApplicationEventPublisher eventPublisher;
     private final CoordinateClothRepository coordinateClothRepository;
-    private final S3Util s3Util;
 
     @Override
     @Transactional
@@ -73,7 +73,7 @@ public ClothCreateResponse createClothes(ClothCreateRequests request) {
                                 cr -> {
                                     Category category = categoryMap.get(cr.categoryId());
                                     return Cloth.createCloth(
-                                            cr.clothImageUrl(),
+                                            storageUtil.toPublicObjectUrl(cr.clothImageUrl()),
                                             cr.clothUrl(),
                                             cr.name(),
                                             cr.brand(),
@@ -88,7 +88,7 @@ public ClothCreateResponse createClothes(ClothCreateRequests request) {
         List<String> clothImageUrls =
                 request.content().stream().map(ClothCreateRequest::clothImageUrl).toList();
         // 모든 선택된 url들을 확정하는 로직.
-        s3Util.updateTagsToCompleteByUrls(clothImageUrls);
+        storageUtil.updateTagsToCompleteByUrls(clothImageUrls);
 
         return ClothCreateResponse.from(clothes);
     }
@@ -168,7 +168,8 @@ public void updateCloth(Long clothId, ClothUpdateRequest request) {
         validateChildCategory(category);
 
         // 사진이 바뀌는 경우 기존 imageUrl을 기반으로 S3에서 삭제합니다.
-        if (!cloth.getClothImageUrl().equals(request.clothImageUrl())) {
+        String normalizedImageUrl = storageUtil.toPublicObjectUrl(request.clothImageUrl());
+        if (!storageUtil.toPublicObjectUrl(cloth.getClothImageUrl()).equals(normalizedImageUrl)) {
             eventPublisher.publishEvent(ImageDeleteEvent.of(cloth.getClothImageUrl()));
         }
 
@@ -176,7 +177,7 @@ public void updateCloth(Long clothId, ClothUpdateRequest request) {
         boolean categoryChanged = !cloth.getCategory().getId().equals(category.getId());
 
         cloth.updateCloth(
-                request.clothImageUrl(),
+                normalizedImageUrl,
                 request.clothUrl(),
                 request.name(),
                 request.brand(),
diff --git a/clokey-api/src/main/java/org/clokey/domain/coordinate/service/CoordinateServiceImpl.java b/clokey-api/src/main/java/org/clokey/domain/coordinate/service/CoordinateServiceImpl.java
index 7b829051..b2de8431 100644
--- a/clokey-api/src/main/java/org/clokey/domain/coordinate/service/CoordinateServiceImpl.java
+++ b/clokey-api/src/main/java/org/clokey/domain/coordinate/service/CoordinateServiceImpl.java
@@ -36,6 +36,7 @@
 import org.clokey.member.entity.Member;
 import org.clokey.member.enums.Visibility;
 import org.clokey.response.SliceResponse;
+import org.clokey.util.StorageUtil;
 import org.springframework.context.ApplicationEventPublisher;
 import org.springframework.data.domain.Slice;
 import org.springframework.data.redis.core.RedisTemplate;
@@ -61,6 +62,7 @@ public class CoordinateServiceImpl implements CoordinateService {
     private final RedisTemplate<String, String> redisTemplate;
 
     private final ApplicationEventPublisher eventPublisher;
+    private final StorageUtil storageUtil;
 
     @Override
     @Transactional
@@ -97,7 +99,8 @@ public CoordinateCreateResponse createDailyCoordinate(DailyCoordinateCreateReque
         validateDailyCoordinateExist(currentMember.getId(), LocalDate.now(KST));
 
         Coordinate coordinate =
-                Coordinate.createDailyCoordinate(request.coordinateImageUrl(), currentMember);
+                Coordinate.createDailyCoordinate(
+                        storageUtil.toPublicObjectUrl(request.coordinateImageUrl()), currentMember);
         coordinateRepository.save(coordinate);
 
         List<CoordinateCloth> coordinateClothes =
@@ -160,7 +163,7 @@ public CoordinateCreateResponse createCoordinateManual(CoordinateManualCreateReq
                 Coordinate.createCoordinateManual(
                         request.name(),
                         request.memo(),
-                        request.coordinateImageUrl(),
+                        storageUtil.toPublicObjectUrl(request.coordinateImageUrl()),
                         currentMember,
                         lookBook);
         coordinateRepository.save(coordinate);
@@ -245,10 +248,11 @@ public void updateCoordinate(Long coordinateId, CoordinateUpdateRequest request)
         validateAllClothesOwnership(currentMember, clothes);
 
         /** Coordinate 업데이트 로직 */
-        if (!Objects.equals(coordinate.getImageUrl(), request.coordinateImageUrl())) {
+        String normalizedImageUrl = storageUtil.toPublicObjectUrl(request.coordinateImageUrl());
+        if (!storageUtil.toPublicObjectUrl(coordinate.getImageUrl()).equals(normalizedImageUrl)) {
             eventPublisher.publishEvent(ImageDeleteEvent.of(coordinate.getImageUrl()));
         }
-        coordinate.updateCoordinate(request.name(), request.memo(), request.coordinateImageUrl());
+        coordinate.updateCoordinate(request.name(), request.memo(), normalizedImageUrl);
 
         /** CoordinateCloth 업데이트 로직 */
         List<CoordinateCloth> coordinateCloths = coordinate.getCoordinateClothes();
diff --git a/clokey-api/src/main/java/org/clokey/domain/history/dto/response/HistoryImagesPresignedUrlResponse.java b/clokey-api/src/main/java/org/clokey/domain/history/dto/response/HistoryImagesPresignedUrlResponse.java
index 132fdab5..4d05382f 100644
--- a/clokey-api/src/main/java/org/clokey/domain/history/dto/response/HistoryImagesPresignedUrlResponse.java
+++ b/clokey-api/src/main/java/org/clokey/domain/history/dto/response/HistoryImagesPresignedUrlResponse.java
@@ -4,8 +4,9 @@
 import java.util.List;
 
 public record HistoryImagesPresignedUrlResponse(
-        @Schema(description = "생성된 presigned url 리스트") List<String> urls) {
-    public static HistoryImagesPresignedUrlResponse of(List<String> urls) {
-        return new HistoryImagesPresignedUrlResponse(urls);
+        @Schema(description = "업로드용 presigned url 리스트") List<String> urls,
+        @Schema(description = "저장/조회용 공개 객체 url 리스트") List<String> objectUrls) {
+    public static HistoryImagesPresignedUrlResponse of(List<String> urls, List<String> objectUrls) {
+        return new HistoryImagesPresignedUrlResponse(urls, objectUrls);
     }
 }
diff --git a/clokey-api/src/main/java/org/clokey/domain/history/service/HistoryServiceImpl.java b/clokey-api/src/main/java/org/clokey/domain/history/service/HistoryServiceImpl.java
index 52dd42c5..237b0cd9 100644
--- a/clokey-api/src/main/java/org/clokey/domain/history/service/HistoryServiceImpl.java
+++ b/clokey-api/src/main/java/org/clokey/domain/history/service/HistoryServiceImpl.java
@@ -40,7 +40,8 @@
 import org.clokey.member.entity.Member;
 import org.clokey.member.enums.Visibility;
 import org.clokey.report.enums.TargetType;
-import org.clokey.util.S3Util;
+import org.clokey.util.PresignedUrlResult;
+import org.clokey.util.StorageUtil;
 import org.springframework.context.ApplicationEventPublisher;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -69,7 +70,7 @@ public class HistoryServiceImpl implements HistoryService {
     private final ReportRepository reportRepository;
     private final MemberRepository memberRepository;
     private final ApplicationEventPublisher eventPublisher;
-    private final S3Util s3Util;
+    private final StorageUtil storageUtil;
 
     @Override
     @Transactional
@@ -105,7 +106,8 @@ public HistoryCreateResponse createHistory(HistoryCreateRequest request) {
 
         for (HistoryCreateRequest.Payload payload : request.payloads()) {
             final HistoryImage historyImage =
-                    HistoryImage.createHistoryImage(payload.imageUrl(), history);
+                    HistoryImage.createHistoryImage(
+                            storageUtil.toPublicObjectUrl(payload.imageUrl()), history);
             images.add(historyImage);
 
             if (payload.clothTags() != null && !payload.clothTags().isEmpty()) {
@@ -164,18 +166,21 @@ public void updateHistory(Long historyId, HistoryUpdateRequest request) {
                 existingImages.stream()
                         .collect(
                                 Collectors.toMap(
-                                        HistoryImage::getImageUrl,
+                                        image -> storageUtil.toPublicObjectUrl(image.getImageUrl()),
                                         Function.identity(),
                                         (left, right) -> left));
 
         Set<String> requestedImageUrls =
                 request.payloads().stream()
-                        .map(HistoryUpdateRequest.Payload::imageUrl)
+                        .map(payload -> storageUtil.toPublicObjectUrl(payload.imageUrl()))
                         .collect(Collectors.toSet());
 
         List<HistoryImage> imagesToDelete =
                 existingImages.stream()
-                        .filter(image -> !requestedImageUrls.contains(image.getImageUrl()))
+                        .filter(
+                                image ->
+                                        !requestedImageUrls.contains(
+                                                storageUtil.toPublicObjectUrl(image.getImageUrl())))
                         .toList();
 
         if (!imagesToDelete.isEmpty()) {
@@ -186,7 +191,10 @@ public void updateHistory(Long historyId, HistoryUpdateRequest request) {
 
         Set<Long> keptImageIds =
                 existingImages.stream()
-                        .filter(image -> requestedImageUrls.contains(image.getImageUrl()))
+                        .filter(
+                                image ->
+                                        requestedImageUrls.contains(
+                                                storageUtil.toPublicObjectUrl(image.getImageUrl())))
                         .map(HistoryImage::getId)
                         .collect(Collectors.toSet());
 
@@ -198,12 +206,13 @@ public void updateHistory(Long historyId, HistoryUpdateRequest request) {
         List<HistoryClothTag> clothTags = new ArrayList<>();
 
         for (HistoryUpdateRequest.Payload payload : request.payloads()) {
+            String normalizedImageUrl = storageUtil.toPublicObjectUrl(payload.imageUrl());
             final HistoryImage historyImage =
                     existingImageMap.getOrDefault(
-                            payload.imageUrl(),
-                            HistoryImage.createHistoryImage(payload.imageUrl(), history));
+                            normalizedImageUrl,
+                            HistoryImage.createHistoryImage(normalizedImageUrl, history));
 
-            if (!existingImageMap.containsKey(payload.imageUrl())) {
+            if (!existingImageMap.containsKey(normalizedImageUrl)) {
                 newImages.add(historyImage);
             }
 
@@ -402,18 +411,19 @@ public HistoryImagesPresignedUrlResponse getHistoryUploadPresignedUrls(
             HistoryImagesUploadRequest request) {
         final Member currentMember = memberUtil.getCurrentMember();
 
-        List<String> presignedUrls =
+        List<PresignedUrlResult> presignedUrlResults =
                 request.payloads().stream()
                         .map(
                                 payload ->
-                                        s3Util.createPresignedUrl(
+                                        storageUtil.createPresignedUrl(
                                                 ImageType.HISTORY_IMAGE,
                                                 currentMember.getId(),
-                                                payload.fileExtension(),
-                                                payload.md5Hashes()))
+                                                payload.fileExtension()))
                         .toList();
 
-        return HistoryImagesPresignedUrlResponse.of(presignedUrls);
+        return HistoryImagesPresignedUrlResponse.of(
+                presignedUrlResults.stream().map(PresignedUrlResult::uploadUrl).toList(),
+                presignedUrlResults.stream().map(PresignedUrlResult::objectUrl).toList());
     }
 
     private HistoryImage getHistoryImageById(Long historyImageId) {
diff --git a/clokey-api/src/main/java/org/clokey/domain/image/event/ImageEventListener.java b/clokey-api/src/main/java/org/clokey/domain/image/event/ImageEventListener.java
index ad83e781..d91f03b1 100644
--- a/clokey-api/src/main/java/org/clokey/domain/image/event/ImageEventListener.java
+++ b/clokey-api/src/main/java/org/clokey/domain/image/event/ImageEventListener.java
@@ -1,7 +1,7 @@
 package org.clokey.domain.image.event;
 
 import lombok.RequiredArgsConstructor;
-import org.clokey.util.S3Util;
+import org.clokey.util.StorageUtil;
 import org.springframework.scheduling.annotation.Async;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.event.TransactionPhase;
@@ -11,17 +11,17 @@
 @RequiredArgsConstructor
 public class ImageEventListener {
 
-    private final S3Util s3Util;
+    private final StorageUtil storageUtil;
 
     @Async
     @TransactionalEventListener(phase = TransactionPhase.AFTER_COMMIT)
     public void handleImagesDeleteEvent(ImagesDeleteEvent event) {
-        s3Util.deleteAllByUrls(event.imageUrls());
+        storageUtil.deleteAllByUrls(event.imageUrls());
     }
 
     @Async
     @TransactionalEventListener(phase = TransactionPhase.AFTER_COMMIT)
     public void handleImageDeleteEvent(ImageDeleteEvent event) {
-        s3Util.deleteByUrl(event.imageUrl());
+        storageUtil.deleteByUrl(event.imageUrl());
     }
 }
diff --git a/clokey-api/src/main/java/org/clokey/domain/member/service/MemberServiceImpl.java b/clokey-api/src/main/java/org/clokey/domain/member/service/MemberServiceImpl.java
index 8b252815..6b9ebf1e 100644
--- a/clokey-api/src/main/java/org/clokey/domain/member/service/MemberServiceImpl.java
+++ b/clokey-api/src/main/java/org/clokey/domain/member/service/MemberServiceImpl.java
@@ -26,6 +26,7 @@
 import org.clokey.member.enums.MemberStatus;
 import org.clokey.member.enums.Visibility;
 import org.clokey.response.SliceResponse;
+import org.clokey.util.StorageUtil;
 import org.springframework.context.ApplicationEventPublisher;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -44,6 +45,7 @@ public class MemberServiceImpl implements MemberService {
     private final MemberLikeRepository memberLikeRepository;
 
     private final ApplicationEventPublisher eventPublisher;
+    private final StorageUtil storageUtil;
 
     @Override
     @Transactional
@@ -55,8 +57,10 @@ public void updateProfile(ProfileUpdateRequest request) {
 
         // s3 삭제 로직 구현 이후에 반영 필요 -> 배경 및 프로필 이미지를 없애버리는 경우
 
+        String normalizedProfileImageUrl = storageUtil.toPublicObjectUrl(request.profileImageUrl());
+
         currentMember.updateProfile(
-                request.nickname(), request.profileImageUrl(), request.bio(), request.visibility());
+                request.nickname(), normalizedProfileImageUrl, request.bio(), request.visibility());
 
         // Member 동기화
         eventPublisher.publishEvent(
diff --git a/clokey-api/src/main/java/org/clokey/domain/notification/service/CodiveNotificationServiceImpl.java b/clokey-api/src/main/java/org/clokey/domain/notification/service/CodiveNotificationServiceImpl.java
index 135ecde5..8c97ff72 100644
--- a/clokey-api/src/main/java/org/clokey/domain/notification/service/CodiveNotificationServiceImpl.java
+++ b/clokey-api/src/main/java/org/clokey/domain/notification/service/CodiveNotificationServiceImpl.java
@@ -256,6 +256,7 @@ public void sendNewTemperatureNotification(TemperatureNotificationRequest reques
 
         if (isAbleToSendNotification(receiver)) {
             Notification notification = createPushNotification(content, temperatureImageUrl);
+
             Message message =
                     Message.builder()
                             .setToken(receiver.getDeviceToken())
diff --git a/clokey-api/src/main/java/org/clokey/global/config/security/SecurityConfig.java b/clokey-api/src/main/java/org/clokey/global/config/security/SecurityConfig.java
index 6e07b2aa..b1dee313 100644
--- a/clokey-api/src/main/java/org/clokey/global/config/security/SecurityConfig.java
+++ b/clokey-api/src/main/java/org/clokey/global/config/security/SecurityConfig.java
@@ -10,6 +10,7 @@
 import org.clokey.global.security.AppleAwareOAuth2AuthorizationRequestResolver;
 import org.clokey.global.security.JwtAuthenticationFilter;
 import org.clokey.global.security.SwaggerBasicAuthenticationFilter;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
@@ -32,6 +33,18 @@
 @RequiredArgsConstructor
 public class SecurityConfig {
 
+    @Value("${swagger.username:default}")
+    private String swaggerUsername;
+
+    @Value("${swagger.password:default}")
+    private String swaggerPassword;
+
+    @Value("${app.base-url.dev}")
+    private String devBaseUrl;
+
+    @Value("${app.base-url.prod}")
+    private String prodBaseUrl;
+
     private static final String[] SWAGGER_PATHS = {
         "/swagger-ui", "/swagger-ui/**", "/swagger-ui.html", "/v3/api-docs", "/v3/api-docs/**"
     };
@@ -100,10 +113,7 @@ public SecurityFilterChain apiFilterChain(
     public CorsConfigurationSource corsConfigurationSource() {
         CorsConfiguration configuration = new CorsConfiguration();
         configuration.setAllowedOriginPatterns(
-                List.of(
-                        "http://localhost:3000",
-                        "https://dev.clokey.store",
-                        "https://prod.clokey.store"));
+                List.of("http://localhost:3000", devBaseUrl, prodBaseUrl));
         configuration.setAllowedMethods(
                 List.of("GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"));
         configuration.setAllowedHeaders(List.of("*"));
diff --git a/clokey-api/src/main/resources/application-dev.yml b/clokey-api/src/main/resources/application-dev.yml
index 79df4c29..e287fecb 100644
--- a/clokey-api/src/main/resources/application-dev.yml
+++ b/clokey-api/src/main/resources/application-dev.yml
@@ -3,9 +3,9 @@ spring:
     time-zone: Asia/Seoul
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://${DEV_MYSQL_HOST}:${MYSQL_PORT}/${DB_NAME}?serverTimezone=Asia/Seoul&characterEncoding=UTF-8
-    username: ${DB_USERNAME}
-    password: ${DB_PASSWORD}
+    url: jdbc:mysql://${OCI_MYSQL_HEATWAVE_HOST}:${MYSQL_PORT}/${OCI_DEV_MYSQL_DB_NAME}?serverTimezone=Asia/Seoul&characterEncoding=UTF-8
+    username: ${OCI_MYSQL_USERNAME}
+    password: ${OCI_MYSQL_PASSWORD}
     hikari:
       minimum-idle: 10
       maximum-pool-size: 20
@@ -43,7 +43,7 @@ spring:
           kakao:
             client-id: ${KAKAO_CLIENT_ID}
             client-secret: ${KAKAO_CLIENT_SECRET}
-            redirect-uri: ${KAKAO_REDIRECT_URI}
+            redirect-uri: "${app.base-url.dev}/login/oauth2/code/kakao"
             authorization-grant-type: authorization_code
             client-authentication-method: client_secret_post
             scope:
@@ -52,7 +52,7 @@ spring:
           apple:
             client-id: ${APPLE_CLIENT_ID}
             client-secret: ${APPLE_CLIENT_SECRET}
-            redirect-uri: ${APPLE_REDIRECT_URI}
+            redirect-uri: "${app.base-url.dev}/login/oauth2/code/apple"
             authorization-grant-type: authorization_code
             client-authentication-method: client_secret_post
             scope:
@@ -79,20 +79,23 @@ jwt:
   refresh-token-expiration-time: ${JWT_REFRESH_TOKEN_EXPIRATION_TIME}
   issuer: ${JWT_ISSUER}
 
-aws:
-  access-key-id: ${DEV_AWS_ACCESS_KEY_ID}
-  secret-access-key: ${DEV_AWS_SECRET_ACCESS_KEY}
-  region: ${AWS_REGION}
-  s3:
-    bucket: ${DEV_S3_BUCKET}
-    endpoint: ${DEV_S3_ENDPOINT:https://s3.ap-northeast-2.amazonaws.com}
+oci:
+  tenancy-id: ${OCI_TENANCY_ID}
+  user-id: ${OCI_USER_ID}
+  fingerprint: ${OCI_FINGERPRINT}
+  private-key: ${OCI_PRIVATE_KEY}
+  region: ${OCI_REGION}
+  passphrase: ${OCI_PASSPHRASE:}
+  objectstorage:
+    namespace: ${OCI_OBJECTSTORAGE_NAMESPACE}
+    bucket: ${OCI_DEV_OBJECTSTORAGE_BUCKET}
 
 external:
   api:
     ai-server-ip: ${AI_SERVER_IP}
     cloth-inference-path: ${CLOTH_INFERENCE_PATH}
     style-inference-path: ${STYLE_INFERENCE_PATH}
-    cloth-detect-path: ${CLOTH_DETECT_PATH}
+    cloth-detect-path: ${HISTORY_CLOTH_DETECT_PATH}
 
 swagger:
   username: ${SWAGGER_USERNAME}
@@ -113,3 +116,6 @@ firebase:
 app:
   oauth:
     redirect-scheme: codive
+  base-url:
+    dev: ${CODIVE_DEV_BASE_URL}
+    prod: ${CODIVE_PROD_BASE_URL}
\ No newline at end of file
diff --git a/clokey-api/src/main/resources/application-local.yml b/clokey-api/src/main/resources/application-local.yml
index 9e9a483e..be263a79 100644
--- a/clokey-api/src/main/resources/application-local.yml
+++ b/clokey-api/src/main/resources/application-local.yml
@@ -43,7 +43,7 @@ spring:
           kakao:
             client-id: ${KAKAO_CLIENT_ID}
             client-secret: ${KAKAO_CLIENT_SECRET}
-            redirect-uri: ${KAKAO_REDIRECT_URI}
+            redirect-uri: "${app.base-url.dev}/login/oauth2/code/kakao"
             authorization-grant-type: authorization_code
             client-authentication-method: client_secret_post
             scope:
@@ -52,7 +52,7 @@ spring:
           apple:
             client-id: ${APPLE_CLIENT_ID}
             client-secret: ${APPLE_CLIENT_SECRET}
-            redirect-uri: ${APPLE_REDIRECT_URI}
+            redirect-uri: "${app.base-url.dev}/login/oauth2/code/apple"
             authorization-grant-type: authorization_code
             client-authentication-method: client_secret_post
             scope:
@@ -79,20 +79,27 @@ jwt:
   refresh-token-expiration-time: ${JWT_REFRESH_TOKEN_EXPIRATION_TIME}
   issuer: ${JWT_ISSUER}
 
-aws:
-  access-key-id: ${AWS_ACCESS_KEY_ID}
-  secret-access-key: ${AWS_SECRET_ACCESS_KEY}
-  region: ${AWS_REGION}
-  s3:
-    bucket: ${S3_BUCKET}
-    endpoint: ${S3_ENDPOINT:https://s3.ap-northeast-2.amazonaws.com}
+oci:
+  tenancy-id: ${OCI_TENANCY_ID}
+  user-id: ${OCI_USER_ID}
+  fingerprint: ${OCI_FINGERPRINT}
+  private-key: ${OCI_PRIVATE_KEY}
+  region: ${OCI_REGION}
+  passphrase: ${OCI_PASSPHRASE:}
+  objectstorage:
+    namespace: ${OCI_OBJECTSTORAGE_NAMESPACE}
+    bucket: ${OCI_DEV_OBJECTSTORAGE_BUCKET}
 
 external:
   api:
     ai-server-ip: ${AI_SERVER_IP}
     cloth-inference-path: ${CLOTH_INFERENCE_PATH}
     style-inference-path: ${STYLE_INFERENCE_PATH}
-    cloth-detect-path: ${CLOTH_DETECT_PATH}
+    cloth-detect-path: ${HISTORY_CLOTH_DETECT_PATH}
+
+swagger:
+  username: ${SWAGGER_USERNAME}
+  password: ${SWAGGER_PASSWORD}
 
 springdoc:
   default-consumes-media-type: application/json
@@ -115,3 +122,6 @@ firebase:
 app:
   oauth:
     redirect-scheme: codive
+  base-url:
+    dev: ${CODIVE_DEV_BASE_URL}
+    prod: ${CODIVE_PROD_BASE_URL}
\ No newline at end of file
diff --git a/clokey-api/src/main/resources/application-prod.yml b/clokey-api/src/main/resources/application-prod.yml
index e83a15e9..172650f8 100644
--- a/clokey-api/src/main/resources/application-prod.yml
+++ b/clokey-api/src/main/resources/application-prod.yml
@@ -3,9 +3,9 @@ spring:
     time-zone: Asia/Seoul
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://${PROD_MYSQL_HOST}:${MYSQL_PORT}/${DB_NAME}?serverTimezone=Asia/Seoul&characterEncoding=UTF-8
-    username: ${DB_USERNAME}
-    password: ${DB_PASSWORD}
+    url: jdbc:mysql://${OCI_MYSQL_HEATWAVE_HOST}:${MYSQL_PORT}/${OCI_PROD_MYSQL_DB_NAME}?serverTimezone=Asia/Seoul&characterEncoding=UTF-8
+    username: ${OCI_MYSQL_USERNAME}
+    password: ${OCI_MYSQL_PASSWORD}
     hikari:
       minimum-idle: 10
       maximum-pool-size: 20
@@ -43,7 +43,7 @@ spring:
           kakao:
             client-id: ${KAKAO_CLIENT_ID}
             client-secret: ${KAKAO_CLIENT_SECRET}
-            redirect-uri: ${KAKAO_REDIRECT_URI}
+            redirect-uri: "${app.base-url.prod}/login/oauth2/code/kakao"
             authorization-grant-type: authorization_code
             client-authentication-method: client_secret_post
             scope:
@@ -52,7 +52,7 @@ spring:
           apple:
             client-id: ${APPLE_CLIENT_ID}
             client-secret: ${APPLE_CLIENT_SECRET}
-            redirect-uri: ${APPLE_REDIRECT_URI}
+            redirect-uri: "${app.base-url.prod}/login/oauth2/code/apple"
             authorization-grant-type: authorization_code
             client-authentication-method: client_secret_post
             scope:
@@ -79,13 +79,16 @@ jwt:
   refresh-token-expiration-time: ${JWT_REFRESH_TOKEN_EXPIRATION_TIME}
   issuer: ${JWT_ISSUER}
 
-aws:
-  access-key-id: ${PROD_AWS_ACCESS_KEY_ID}
-  secret-access-key: ${PROD_AWS_SECRET_ACCESS_KEY}
-  region: ${AWS_REGION}
-  s3:
-    bucket: ${PROD_S3_BUCKET}
-    endpoint: ${PROD_S3_ENDPOINT:https://s3.ap-northeast-2.amazonaws.com}
+oci:
+  tenancy-id: ${OCI_TENANCY_ID}
+  user-id: ${OCI_USER_ID}
+  fingerprint: ${OCI_FINGERPRINT}
+  private-key: ${OCI_PRIVATE_KEY}
+  region: ${OCI_REGION}
+  passphrase: ${OCI_PASSPHRASE:}
+  objectstorage:
+    namespace: ${OCI_OBJECTSTORAGE_NAMESPACE}
+    bucket: ${OCI_PROD_OBJECTSTORAGE_BUCKET}
 
 firebase:
   credentials-path: ${FIREBASE_CREDENTIALS_PATH}
@@ -95,7 +98,7 @@ external:
     ai-server-ip: ${AI_SERVER_IP}
     cloth-inference-path: ${CLOTH_INFERENCE_PATH}
     style-inference-path: ${STYLE_INFERENCE_PATH}
-    cloth-detect-path: ${CLOTH_DETECT_PATH}
+    cloth-detect-path: ${HISTORY_CLOTH_DETECT_PATH}
 
 swagger:
   username: ${SWAGGER_USERNAME}
@@ -113,4 +116,7 @@ springdoc:
 app:
   oauth:
     redirect-scheme: codive
+  base-url:
+    dev: ${CODIVE_DEV_BASE_URL}
+    prod: ${CODIVE_PROD_BASE_URL}
 
diff --git a/clokey-api/src/test/java/org/clokey/TestObjectStorageConfig.java b/clokey-api/src/test/java/org/clokey/TestObjectStorageConfig.java
new file mode 100644
index 00000000..5ef4ecd7
--- /dev/null
+++ b/clokey-api/src/test/java/org/clokey/TestObjectStorageConfig.java
@@ -0,0 +1,19 @@
+package org.clokey;
+
+import com.oracle.bmc.objectstorage.ObjectStorageClient;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class TestObjectStorageConfig {
+
+    @Bean
+    @ConditionalOnMissingBean(ObjectStorageClient.class)
+    public ObjectStorageClient objectStorageClient() {
+        ObjectStorageClient client = org.mockito.Mockito.mock(ObjectStorageClient.class);
+        org.mockito.Mockito.when(client.getEndpoint())
+                .thenReturn("https://objectstorage.test.oraclecloud.com");
+        return client;
+    }
+}
diff --git a/clokey-api/src/test/java/org/clokey/domain/cloth/controller/ClothControllerTest.java b/clokey-api/src/test/java/org/clokey/domain/cloth/controller/ClothControllerTest.java
index f413d453..334bb08b 100644
--- a/clokey-api/src/test/java/org/clokey/domain/cloth/controller/ClothControllerTest.java
+++ b/clokey-api/src/test/java/org/clokey/domain/cloth/controller/ClothControllerTest.java
@@ -59,7 +59,8 @@ class 옷_업로드_presigned_url_발급_요청_시 {
 
             ClothImagesPresignedUrlResponse response =
                     new ClothImagesPresignedUrlResponse(
-                            List.of("testPresignedUrl1", "testPresignedUrl2"));
+                            List.of("testPresignedUrl1", "testPresignedUrl2"),
+                            List.of("testObjectUrl1", "testObjectUrl2"));
 
             given(clothAiService.getClothUploadPresignedUrls(request)).willReturn(response);
 
diff --git a/clokey-api/src/test/java/org/clokey/domain/cloth/service/ClothServiceTest.java b/clokey-api/src/test/java/org/clokey/domain/cloth/service/ClothServiceTest.java
index fb3b3aeb..165cd93c 100644
--- a/clokey-api/src/test/java/org/clokey/domain/cloth/service/ClothServiceTest.java
+++ b/clokey-api/src/test/java/org/clokey/domain/cloth/service/ClothServiceTest.java
@@ -48,7 +48,8 @@
 import org.clokey.member.entity.OauthInfo;
 import org.clokey.member.enums.OauthProvider;
 import org.clokey.response.SliceResponse;
-import org.clokey.util.S3Util;
+import org.clokey.util.PresignedUrlResult;
+import org.clokey.util.StorageUtil;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Nested;
@@ -80,7 +81,7 @@ class ClothServiceTest extends IntegrationTest {
     @Autowired private SituationRepository situationRepository;
 
     @MockitoBean private MemberUtil memberUtil;
-    @MockitoBean private S3Util s3Util;
+    @MockitoBean private StorageUtil storageUtil;
     @Autowired private ApplicationEvents applicationEvents;
 
     @Nested
@@ -109,18 +110,17 @@ void setUp() {
                                             FileExtension.JPEG, "testMd5Hash1"),
                                     new ClothImagesUploadRequest.Payload(
                                             FileExtension.JPEG, "testMd5Hash2")));
-            given(s3Util.createPresignedUrl(any(), anyLong(), any(), eq("testMd5Hash1")))
-                    .willReturn("testUrl1");
-
-            given(s3Util.createPresignedUrl(any(), anyLong(), any(), eq("testMd5Hash2")))
-                    .willReturn("testUrl2");
+            given(storageUtil.createPresignedUrl(any(), anyLong(), any()))
+                    .willReturn(new PresignedUrlResult("testUploadUrl1", "testObjectUrl1"))
+                    .willReturn(new PresignedUrlResult("testUploadUrl2", "testObjectUrl2"));
 
             // when
             ClothImagesPresignedUrlResponse response =
                     clothAiService.getClothUploadPresignedUrls(request);
 
             // then
-            assertThat(response.urls()).containsExactly("testUrl1", "testUrl2");
+            assertThat(response.urls()).containsExactly("testUploadUrl1", "testUploadUrl2");
+            assertThat(response.objectUrls()).containsExactly("testObjectUrl1", "testObjectUrl2");
         }
     }
 
diff --git a/clokey-api/src/test/java/org/clokey/domain/history/controller/HistoryControllerTest.java b/clokey-api/src/test/java/org/clokey/domain/history/controller/HistoryControllerTest.java
index d9f3999f..155e4322 100644
--- a/clokey-api/src/test/java/org/clokey/domain/history/controller/HistoryControllerTest.java
+++ b/clokey-api/src/test/java/org/clokey/domain/history/controller/HistoryControllerTest.java
@@ -61,7 +61,9 @@ class 옷_업로드_presigned_url_발급_요청_시 {
                                             FileExtension.PNG, "testMd5Hash2")));
 
             HistoryImagesPresignedUrlResponse response =
-                    new HistoryImagesPresignedUrlResponse(List.of("testUrl1", "testUrl2"));
+                    new HistoryImagesPresignedUrlResponse(
+                            List.of("testUrl1", "testUrl2"),
+                            List.of("testObjectUrl1", "testObjectUrl2"));
 
             given(historyService.getHistoryUploadPresignedUrls(request)).willReturn(response);
 
diff --git a/clokey-api/src/test/java/org/clokey/domain/history/service/HistoryServiceImplTest.java b/clokey-api/src/test/java/org/clokey/domain/history/service/HistoryServiceImplTest.java
index 6943e5e1..eb4e5d65 100644
--- a/clokey-api/src/test/java/org/clokey/domain/history/service/HistoryServiceImplTest.java
+++ b/clokey-api/src/test/java/org/clokey/domain/history/service/HistoryServiceImplTest.java
@@ -3,7 +3,6 @@
 import static org.assertj.core.api.Assertions.*;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyLong;
-import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.BDDMockito.given;
 
 import java.time.LocalDate;
@@ -50,7 +49,8 @@
 import org.clokey.member.entity.Member;
 import org.clokey.member.entity.OauthInfo;
 import org.clokey.member.enums.OauthProvider;
-import org.clokey.util.S3Util;
+import org.clokey.util.PresignedUrlResult;
+import org.clokey.util.StorageUtil;
 import org.junit.jupiter.api.*;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.test.context.bean.override.mockito.MockitoBean;
@@ -81,7 +81,7 @@ class HistoryServiceImplTest extends IntegrationTest {
     @Autowired private BlockRepository blockRepository;
 
     @MockitoBean private MemberUtil memberUtil;
-    @MockitoBean private S3Util s3Util;
+    @MockitoBean private StorageUtil storageUtil;
     @Autowired private ApplicationEvents applicationEvents;
 
     @Nested
@@ -109,17 +109,17 @@ void setUp() {
                                     new HistoryImagesUploadRequest.Payload(
                                             FileExtension.PNG, "testMd5Hash2")));
 
-            given(s3Util.createPresignedUrl(any(), anyLong(), any(), eq("testMd5Hash1")))
-                    .willReturn("testUrl1");
-            given(s3Util.createPresignedUrl(any(), anyLong(), any(), eq("testMd5Hash2")))
-                    .willReturn("testUrl2");
+            given(storageUtil.createPresignedUrl(any(), anyLong(), any()))
+                    .willReturn(new PresignedUrlResult("testUploadUrl1", "testObjectUrl1"))
+                    .willReturn(new PresignedUrlResult("testUploadUrl2", "testObjectUrl2"));
 
             // when
             HistoryImagesPresignedUrlResponse response =
                     historyService.getHistoryUploadPresignedUrls(request);
 
             // then
-            assertThat(response.urls()).containsExactly("testUrl1", "testUrl2");
+            assertThat(response.urls()).containsExactly("testUploadUrl1", "testUploadUrl2");
+            assertThat(response.objectUrls()).containsExactly("testObjectUrl1", "testObjectUrl2");
         }
     }
 
diff --git a/clokey-api/src/test/resources/application-test.yml b/clokey-api/src/test/resources/application-test.yml
index f2143b62..1e184c2a 100644
--- a/clokey-api/src/test/resources/application-test.yml
+++ b/clokey-api/src/test/resources/application-test.yml
@@ -7,18 +7,15 @@ spring:
     redis:
       host: ${REDIS_HOST:localhost}
       port: ${REDIS_PORT:6379}
-      password: ${REDIS_PASSWORD}
+      password: ${REDIS_PASSWORD:}
     meilisearch:
       url: ${MEILISEARCH_ENDPOINT:http://localhost:7700}
       api-key: ${MEILISEARCH_KEY:dummy}
 
-aws:
-  access-key-id: dummy
-  secret-access-key: dummy
-  region: dummy
-  s3:
-    bucket: dummy
-    endpoint: dummy
+oci:
+  objectstorage:
+    namespace: test-namespace
+    bucket: test-bucket
 
 firebase:
   type: dummy
diff --git a/clokey-infrastructure/build.gradle b/clokey-infrastructure/build.gradle
index 0b072959..baf7ab20 100644
--- a/clokey-infrastructure/build.gradle
+++ b/clokey-infrastructure/build.gradle
@@ -14,7 +14,8 @@ repositories {
 
 dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-data-redis'
-    implementation 'io.awspring.cloud:spring-cloud-starter-aws:2.4.4'
+    implementation 'com.oracle.oci.sdk:oci-java-sdk-objectstorage:3.47.0'
+    implementation 'com.oracle.oci.sdk:oci-java-sdk-common-httpclient-jersey3:3.47.0'
     api 'com.google.firebase:firebase-admin:9.7.0'
     implementation 'org.springframework.boot:spring-boot-starter-webflux'
     implementation 'io.vanslog:spring-data-meilisearch:0.7.3'
diff --git a/clokey-infrastructure/src/main/java/org/clokey/config/ObjectStorageConfig.java b/clokey-infrastructure/src/main/java/org/clokey/config/ObjectStorageConfig.java
new file mode 100644
index 00000000..7a248904
--- /dev/null
+++ b/clokey-infrastructure/src/main/java/org/clokey/config/ObjectStorageConfig.java
@@ -0,0 +1,49 @@
+package org.clokey.config;
+
+import com.oracle.bmc.auth.SimpleAuthenticationDetailsProvider;
+import com.oracle.bmc.objectstorage.ObjectStorageClient;
+import java.io.ByteArrayInputStream;
+import java.nio.charset.StandardCharsets;
+import lombok.RequiredArgsConstructor;
+import org.clokey.properties.OciProperties;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@RequiredArgsConstructor
+public class ObjectStorageConfig {
+
+    private final OciProperties ociProperties;
+
+    /** 환경 변수에 PEM 키가 "\\n" 문자열로 들어온 경우 실제 줄바꿈으로 복원 */
+    private static String normalizePemPrivateKey(String privateKey) {
+        if (privateKey == null || privateKey.isBlank()) {
+            return privateKey;
+        }
+        return privateKey.replace("\\n", "\n");
+    }
+
+    @Bean
+    @ConditionalOnProperty(name = "oci.region")
+    public ObjectStorageClient objectStorageClient() {
+        String rawKey = ociProperties.privateKey();
+        String privateKey = normalizePemPrivateKey(rawKey);
+        String passphrase = ociProperties.passphrase();
+
+        SimpleAuthenticationDetailsProvider provider =
+                SimpleAuthenticationDetailsProvider.builder()
+                        .tenantId(ociProperties.tenancyId())
+                        .userId(ociProperties.userId())
+                        .fingerprint(ociProperties.fingerprint())
+                        .privateKeySupplier(
+                                () ->
+                                        new ByteArrayInputStream(
+                                                privateKey.getBytes(StandardCharsets.UTF_8)))
+                        .passPhrase(passphrase != null && !passphrase.isEmpty() ? passphrase : null)
+                        .region(com.oracle.bmc.Region.fromRegionId(ociProperties.region()))
+                        .build();
+
+        return new ObjectStorageClient(provider);
+    }
+}
diff --git a/clokey-infrastructure/src/main/java/org/clokey/config/S3Config.java b/clokey-infrastructure/src/main/java/org/clokey/config/S3Config.java
deleted file mode 100644
index 6ec82256..00000000
--- a/clokey-infrastructure/src/main/java/org/clokey/config/S3Config.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package org.clokey.config;
-
-import com.amazonaws.auth.AWSStaticCredentialsProvider;
-import com.amazonaws.auth.BasicAWSCredentials;
-import com.amazonaws.client.builder.AwsClientBuilder;
-import com.amazonaws.services.s3.AmazonS3;
-import com.amazonaws.services.s3.AmazonS3ClientBuilder;
-import lombok.RequiredArgsConstructor;
-import org.clokey.properties.AwsProperties;
-import org.clokey.properties.S3Properties;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-
-@Configuration
-@RequiredArgsConstructor
-public class S3Config {
-
-    private final AwsProperties awsProperties;
-    private final S3Properties s3Properties;
-
-    @Bean
-    public AmazonS3 s3Client() {
-        BasicAWSCredentials credentials =
-                new BasicAWSCredentials(
-                        awsProperties.accessKeyId(), awsProperties.secretAccessKey());
-        AwsClientBuilder.EndpointConfiguration endpointConfiguration =
-                new AwsClientBuilder.EndpointConfiguration(
-                        s3Properties.endpoint(), awsProperties.region());
-
-        return AmazonS3ClientBuilder.standard()
-                .withEndpointConfiguration(endpointConfiguration)
-                .withCredentials(new AWSStaticCredentialsProvider(credentials))
-                .build();
-    }
-}
diff --git a/clokey-infrastructure/src/main/java/org/clokey/properties/AwsProperties.java b/clokey-infrastructure/src/main/java/org/clokey/properties/AwsProperties.java
deleted file mode 100644
index d96917bd..00000000
--- a/clokey-infrastructure/src/main/java/org/clokey/properties/AwsProperties.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package org.clokey.properties;
-
-import org.springframework.boot.context.properties.ConfigurationProperties;
-
-@ConfigurationProperties("aws")
-public record AwsProperties(String accessKeyId, String secretAccessKey, String region) {}
diff --git a/clokey-infrastructure/src/main/java/org/clokey/properties/OciProperties.java b/clokey-infrastructure/src/main/java/org/clokey/properties/OciProperties.java
new file mode 100644
index 00000000..bc7fe247
--- /dev/null
+++ b/clokey-infrastructure/src/main/java/org/clokey/properties/OciProperties.java
@@ -0,0 +1,12 @@
+package org.clokey.properties;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties("oci")
+public record OciProperties(
+        String tenancyId,
+        String userId,
+        String fingerprint,
+        String privateKey,
+        String region,
+        String passphrase) {}
diff --git a/clokey-infrastructure/src/main/java/org/clokey/properties/PropertiesConfig.java b/clokey-infrastructure/src/main/java/org/clokey/properties/PropertiesConfig.java
index 52ef9a03..fe30c904 100644
--- a/clokey-infrastructure/src/main/java/org/clokey/properties/PropertiesConfig.java
+++ b/clokey-infrastructure/src/main/java/org/clokey/properties/PropertiesConfig.java
@@ -7,8 +7,8 @@
 @EnableConfigurationProperties({
     RedisProperties.class,
     JwtProperties.class,
-    S3Properties.class,
-    AwsProperties.class,
+    StorageProperties.class,
+    OciProperties.class,
     WebClientProperties.class,
     FirebaseProperties.class,
     MeilisearchProperties.class
diff --git a/clokey-infrastructure/src/main/java/org/clokey/properties/S3Properties.java b/clokey-infrastructure/src/main/java/org/clokey/properties/S3Properties.java
deleted file mode 100644
index ff021da2..00000000
--- a/clokey-infrastructure/src/main/java/org/clokey/properties/S3Properties.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package org.clokey.properties;
-
-import org.springframework.boot.context.properties.ConfigurationProperties;
-
-@ConfigurationProperties("aws.s3")
-public record S3Properties(String bucket, String endpoint) {}
diff --git a/clokey-infrastructure/src/main/java/org/clokey/properties/StorageProperties.java b/clokey-infrastructure/src/main/java/org/clokey/properties/StorageProperties.java
new file mode 100644
index 00000000..62b83554
--- /dev/null
+++ b/clokey-infrastructure/src/main/java/org/clokey/properties/StorageProperties.java
@@ -0,0 +1,6 @@
+package org.clokey.properties;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties("oci.objectstorage")
+public record StorageProperties(String namespace, String bucket) {}
diff --git a/clokey-infrastructure/src/main/java/org/clokey/util/PresignedUrlResult.java b/clokey-infrastructure/src/main/java/org/clokey/util/PresignedUrlResult.java
new file mode 100644
index 00000000..d825e584
--- /dev/null
+++ b/clokey-infrastructure/src/main/java/org/clokey/util/PresignedUrlResult.java
@@ -0,0 +1,3 @@
+package org.clokey.util;
+
+public record PresignedUrlResult(String uploadUrl, String objectUrl) {}
diff --git a/clokey-infrastructure/src/main/java/org/clokey/util/S3Util.java b/clokey-infrastructure/src/main/java/org/clokey/util/S3Util.java
deleted file mode 100644
index 76146573..00000000
--- a/clokey-infrastructure/src/main/java/org/clokey/util/S3Util.java
+++ /dev/null
@@ -1,173 +0,0 @@
-package org.clokey.util;
-
-import com.amazonaws.HttpMethod;
-import com.amazonaws.SdkClientException;
-import com.amazonaws.services.s3.AmazonS3;
-import com.amazonaws.services.s3.model.*;
-import java.util.Date;
-import java.util.List;
-import java.util.UUID;
-import java.util.concurrent.TimeUnit;
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.clokey.enums.FileExtension;
-import org.clokey.enums.ImageType;
-import org.clokey.properties.S3Properties;
-import org.springframework.stereotype.Component;
-
-@Component
-@RequiredArgsConstructor
-@Slf4j
-public class S3Util {
-
-    private final AmazonS3 amazonS3;
-    private final S3Properties s3Properties;
-
-    public String createPresignedUrl(
-            ImageType imageType, Long memberId, FileExtension fileExtension, String md5Hash) {
-        String imageKey = UUID.randomUUID().toString();
-        String fileName = createFileName(imageType, memberId, imageKey, fileExtension);
-        String bucket = s3Properties.bucket();
-
-        GeneratePresignedUrlRequest generatePresignedUrlRequest =
-                generatePresignedUrlRequest(
-                        bucket, fileName, fileExtension.getExtension(), md5Hash);
-
-        return amazonS3.generatePresignedUrl(generatePresignedUrlRequest).toString();
-    }
-
-    public String createPresignedUrlWithoutMd5(
-            ImageType imageType, Long memberId, FileExtension fileExtension) {
-        String imageKey = UUID.randomUUID().toString();
-        String fileName = createFileName(imageType, memberId, imageKey, fileExtension);
-        String bucket = s3Properties.bucket();
-
-        GeneratePresignedUrlRequest generatePresignedUrlRequest =
-                generatePresignedUrlRequestWithoutMd5(
-                        bucket, fileName, fileExtension.getExtension());
-
-        return amazonS3.generatePresignedUrl(generatePresignedUrlRequest).toString();
-    }
-
-    private String createFileName(
-            ImageType imageType, Long memberId, String imageKey, FileExtension fileExtension) {
-        return memberId
-                + "/"
-                + imageType.getType()
-                + "/"
-                + imageKey
-                + "."
-                + fileExtension.getExtension();
-    }
-
-    private GeneratePresignedUrlRequest generatePresignedUrlRequest(
-            String bucket, String fileName, String imageFileExtension, String md5Hash) {
-        GeneratePresignedUrlRequest generatePresignedUrlRequest =
-                new GeneratePresignedUrlRequest(bucket, fileName, HttpMethod.PUT)
-                        .withKey(fileName)
-                        .withContentType("image/" + imageFileExtension)
-                        .withExpiration(getPresignedUrlExpiration());
-
-        generatePresignedUrlRequest.addRequestParameter("x-amz-tagging", "status=pending");
-
-        generatePresignedUrlRequest.setContentMd5(md5Hash);
-
-        return generatePresignedUrlRequest;
-    }
-
-    private GeneratePresignedUrlRequest generatePresignedUrlRequestWithoutMd5(
-            String bucket, String fileName, String imageFileExtension) {
-        GeneratePresignedUrlRequest generatePresignedUrlRequest =
-                new GeneratePresignedUrlRequest(bucket, fileName, HttpMethod.PUT)
-                        .withKey(fileName)
-                        .withContentType("image/" + imageFileExtension)
-                        .withExpiration(getPresignedUrlExpiration());
-
-        generatePresignedUrlRequest.addRequestParameter("x-amz-tagging", "status=pending");
-
-        return generatePresignedUrlRequest;
-    }
-
-    public void deleteAllByUrls(List<String> urls) {
-        if (urls == null || urls.isEmpty()) {
-            log.info("deleteAllByUrls skipped: received null or empty urls");
-            return;
-        }
-        String bucket = s3Properties.bucket();
-
-        List<DeleteObjectsRequest.KeyVersion> keys =
-                urls.stream()
-                        .map(this::extractObjectKey)
-                        .map(DeleteObjectsRequest.KeyVersion::new)
-                        .toList();
-
-        DeleteObjectsRequest request = new DeleteObjectsRequest(bucket).withKeys(keys);
-        amazonS3.deleteObjects(request);
-    }
-
-    public void deleteByUrl(String url) {
-        String bucket = s3Properties.bucket();
-        String objectKey = extractObjectKey(url);
-        amazonS3.deleteObject(bucket, objectKey);
-    }
-
-    private String extractObjectKey(String url) {
-        int comIndex = url.indexOf(".com/");
-        return url.substring(comIndex + 5);
-    }
-
-    private Date getPresignedUrlExpiration() {
-        Date expiration = new Date();
-        long expTimeMillis = expiration.getTime();
-        expTimeMillis += TimeUnit.HOURS.toMillis(1);
-        expiration.setTime(expTimeMillis);
-
-        return expiration;
-    }
-
-    public void updateTagToCompleteByUrl(String url) {
-        String bucket = s3Properties.bucket();
-        String key = extractObjectKey(url);
-
-        List<Tag> tags = List.of(new Tag("status", "complete"));
-        ObjectTagging tagging = new ObjectTagging(tags);
-
-        SetObjectTaggingRequest request = new SetObjectTaggingRequest(bucket, key, tagging);
-        amazonS3.setObjectTagging(request);
-    }
-
-    public void updateTagsToCompleteByUrls(List<String> urls) {
-        for (String url : urls) {
-            updateTagToCompleteByUrl(url);
-        }
-    }
-
-    public boolean doesFileExistByUrl(String url) {
-        String bucket = s3Properties.bucket();
-        String key = extractObjectKey(url);
-        try {
-            return amazonS3.doesObjectExist(bucket, key);
-        } catch (AmazonS3Exception e) {
-            if (e.getStatusCode() == 403) {
-                log.warn("Access denied for key={}, treating as non-existent", key);
-                return false;
-            }
-            log.error("S3 error while checking existence: {}", e.getErrorMessage(), e);
-            return false;
-        } catch (SdkClientException e) {
-            log.error("Network error while connecting to S3: {}", e.getMessage());
-            return false;
-        }
-    }
-
-    public boolean doAllFilesExistByUrls(List<String> urls) {
-        for (String url : urls) {
-            if (!doesFileExistByUrl(url)) {
-                log.warn("File not found or inaccessible: {}", url);
-                return false;
-            }
-        }
-
-        return true;
-    }
-}
diff --git a/clokey-infrastructure/src/main/java/org/clokey/util/StorageUtil.java b/clokey-infrastructure/src/main/java/org/clokey/util/StorageUtil.java
new file mode 100644
index 00000000..44940b61
--- /dev/null
+++ b/clokey-infrastructure/src/main/java/org/clokey/util/StorageUtil.java
@@ -0,0 +1,274 @@
+package org.clokey.util;
+
+import com.oracle.bmc.objectstorage.ObjectStorageClient;
+import com.oracle.bmc.objectstorage.model.CreatePreauthenticatedRequestDetails;
+import com.oracle.bmc.objectstorage.requests.*;
+import com.oracle.bmc.objectstorage.responses.CreatePreauthenticatedRequestResponse;
+import com.oracle.bmc.objectstorage.responses.HeadObjectResponse;
+import java.net.URLDecoder;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.time.Instant;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.clokey.enums.FileExtension;
+import org.clokey.enums.ImageType;
+import org.clokey.properties.StorageProperties;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+@Slf4j
+public class StorageUtil {
+
+    private final ObjectStorageClient objectStorageClient;
+    private final StorageProperties storageProperties;
+
+    public PresignedUrlResult createPresignedUrl(
+            ImageType imageType, Long memberId, FileExtension fileExtension) {
+        String imageKey = UUID.randomUUID().toString();
+        String fileName = createFileName(imageType, memberId, imageKey, fileExtension);
+        return createPresignedUrlForObject(fileName, imageKey);
+    }
+
+    private PresignedUrlResult createPresignedUrlForObject(String fileName, String imageKey) {
+        CreatePreauthenticatedRequestDetails details =
+                CreatePreauthenticatedRequestDetails.builder()
+                        .name("presigned-url-" + imageKey)
+                        .objectName(fileName)
+                        .accessType(CreatePreauthenticatedRequestDetails.AccessType.ObjectWrite)
+                        .timeExpires(getPresignedUrlExpiration())
+                        .build();
+
+        CreatePreauthenticatedRequestRequest request =
+                CreatePreauthenticatedRequestRequest.builder()
+                        .namespaceName(storageProperties.namespace())
+                        .bucketName(storageProperties.bucket())
+                        .createPreauthenticatedRequestDetails(details)
+                        .build();
+
+        CreatePreauthenticatedRequestResponse response =
+                objectStorageClient.createPreauthenticatedRequest(request);
+
+        String uploadUrl =
+                objectStorageClient.getEndpoint()
+                        + response.getPreauthenticatedRequest().getAccessUri();
+        String objectUrl = buildPublicObjectUrl(fileName);
+
+        return new PresignedUrlResult(uploadUrl, objectUrl);
+    }
+
+    public String buildPublicObjectUrl(String objectKey) {
+        return objectStorageClient.getEndpoint()
+                + "/n/"
+                + storageProperties.namespace()
+                + "/b/"
+                + storageProperties.bucket()
+                + "/o/"
+                + encodeObjectKey(objectKey);
+    }
+
+    public String toPublicObjectUrl(String url) {
+        if (url == null || url.isBlank()) {
+            return url;
+        }
+
+        try {
+            return buildPublicObjectUrl(extractObjectKey(url));
+        } catch (IllegalArgumentException e) {
+            log.warn("Failed to normalize object URL, returning original url: {}", url, e);
+            return url;
+        }
+    }
+
+    private String createFileName(
+            ImageType imageType, Long memberId, String imageKey, FileExtension fileExtension) {
+        return memberId
+                + "/"
+                + imageType.getType()
+                + "/"
+                + imageKey
+                + "."
+                + fileExtension.getExtension();
+    }
+
+    public void deleteAllByUrls(List<String> urls) {
+        if (urls == null || urls.isEmpty()) {
+            log.info("deleteAllByUrls skipped: received null or empty urls");
+            return;
+        }
+
+        String namespace = storageProperties.namespace();
+        String bucket = storageProperties.bucket();
+
+        for (String url : urls) {
+            try {
+                String objectKey = extractObjectKey(url);
+                DeleteObjectRequest request =
+                        DeleteObjectRequest.builder()
+                                .namespaceName(namespace)
+                                .bucketName(bucket)
+                                .objectName(objectKey)
+                                .build();
+                objectStorageClient.deleteObject(request);
+            } catch (Exception e) {
+                log.error("Failed to delete object: {}", url, e);
+            }
+        }
+    }
+
+    public void deleteByUrl(String url) {
+        if (url == null || url.isBlank()) {
+            log.info("deleteByUrl skipped: url is null or blank");
+            return;
+        }
+        try {
+            String namespace = storageProperties.namespace();
+            String bucket = storageProperties.bucket();
+            String objectKey = extractObjectKey(url);
+
+            DeleteObjectRequest request =
+                    DeleteObjectRequest.builder()
+                            .namespaceName(namespace)
+                            .bucketName(bucket)
+                            .objectName(objectKey)
+                            .build();
+
+            objectStorageClient.deleteObject(request);
+        } catch (Exception e) {
+            log.error("Failed to delete object: {}", url, e);
+        }
+    }
+
+    private String extractObjectKey(String url) {
+        String path = url;
+        int queryIndex = path.indexOf('?');
+        if (queryIndex != -1) {
+            path = path.substring(0, queryIndex);
+        }
+
+        int oIndex = path.indexOf("/o/");
+        if (oIndex == -1) {
+            throw new IllegalArgumentException("Invalid URL format: " + url);
+        }
+
+        String encodedKey = path.substring(oIndex + 3);
+        return URLDecoder.decode(encodedKey, StandardCharsets.UTF_8);
+    }
+
+    private String encodeObjectKey(String objectKey) {
+        return URLEncoder.encode(objectKey, StandardCharsets.UTF_8).replace("+", "%20");
+    }
+
+    private Date getPresignedUrlExpiration() {
+        return Date.from(Instant.now().plusSeconds(3600)); // 1시간 후
+    }
+
+    public void updateTagToCompleteByUrl(String url) {
+        String namespace = storageProperties.namespace();
+        String bucket = storageProperties.bucket();
+        String objectKey = extractObjectKey(url);
+
+        try {
+            HeadObjectRequest headRequest =
+                    HeadObjectRequest.builder()
+                            .namespaceName(namespace)
+                            .bucketName(bucket)
+                            .objectName(objectKey)
+                            .build();
+
+            HeadObjectResponse headResponse = objectStorageClient.headObject(headRequest);
+
+            Map<String, String> metadata = new HashMap<>();
+            if (headResponse.getOpcMeta() != null) {
+                metadata.putAll(headResponse.getOpcMeta());
+            }
+
+            metadata.put("status", "complete");
+
+            com.oracle.bmc.objectstorage.model.CopyObjectDetails copyDetails =
+                    com.oracle.bmc.objectstorage.model.CopyObjectDetails.builder()
+                            .sourceObjectName(objectKey)
+                            .destinationBucket(bucket)
+                            .destinationObjectName(objectKey)
+                            .build();
+
+            CopyObjectRequest copyRequest =
+                    CopyObjectRequest.builder()
+                            .namespaceName(namespace)
+                            .bucketName(bucket)
+                            .copyObjectDetails(copyDetails)
+                            .build();
+
+            objectStorageClient.copyObject(copyRequest);
+
+            log.info(
+                    "Object copied for tag update (metadata update may require manual intervention): {}",
+                    objectKey);
+        } catch (com.oracle.bmc.model.BmcException e) {
+            log.error(
+                    "Failed to update tag for object: {}, status: {}, message: {}",
+                    objectKey,
+                    e.getStatusCode(),
+                    e.getMessage(),
+                    e);
+            log.warn("Tag update failed but continuing: {}", objectKey);
+        } catch (Exception e) {
+            log.error("Failed to update tag for object: {}", objectKey, e);
+            log.warn("Tag update failed but continuing: {}", objectKey);
+        }
+    }
+
+    public void updateTagsToCompleteByUrls(List<String> urls) {
+        for (String url : urls) {
+            updateTagToCompleteByUrl(url);
+        }
+    }
+
+    public boolean doesFileExistByUrl(String url) {
+        String namespace = storageProperties.namespace();
+        String bucket = storageProperties.bucket();
+        String objectKey = extractObjectKey(url);
+
+        try {
+            HeadObjectRequest request =
+                    HeadObjectRequest.builder()
+                            .namespaceName(namespace)
+                            .bucketName(bucket)
+                            .objectName(objectKey)
+                            .build();
+
+            HeadObjectResponse response = objectStorageClient.headObject(request);
+            return response.get__httpStatusCode__() == 200;
+        } catch (com.oracle.bmc.model.BmcException e) {
+            if (e.getStatusCode() == 404) {
+                return false;
+            }
+            if (e.getStatusCode() == 403) {
+                log.warn("Access denied for key={}, treating as non-existent", objectKey);
+                return false;
+            }
+            log.error("OCI error while checking existence: {}", e.getMessage(), e);
+            return false;
+        } catch (Exception e) {
+            log.error("Network error while connecting to OCI: {}", e.getMessage());
+            return false;
+        }
+    }
+
+    public boolean doAllFilesExistByUrls(List<String> urls) {
+        for (String url : urls) {
+            if (!doesFileExistByUrl(url)) {
+                log.warn("File not found or inaccessible: {}", url);
+                return false;
+            }
+        }
+
+        return true;
+    }
+}