refactor: NCP server로 rollback

.github/workflows/deploy.yml

@@ -1,4 +1,4 @@
-name: Deploy to GCP
+name: Deploy to NCP
 
 on:
   push:
@@ -9,75 +9,58 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      # 코드 체크아웃
       - name: Checkout
         uses: actions/checkout@v4
 
-      # 1. JDK 설치 및 빌드
+      # JDK 21 설치
       - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
           java-version: '21'
           distribution: 'temurin'
           cache: gradle
 
+      # Gradle wrapper 실행 권한 부여
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew
 
+      # Gradle로 프로젝트 빌드 (테스트 제외)
       - name: Build with Gradle (skip tests)
         run: ./gradlew clean build -x test
 
-      # 2. GCP 인증 및 Docker 설정
-      - name: Google Auth
-        uses: 'google-github-actions/auth@v2'
-        with:
-          credentials_json: '${{ secrets.GCP_SA_KEY }}'
-
-      - name: 'Set up Cloud SDK'
-        uses: 'google-github-actions/setup-gcloud@v2'
-
-      - name: 'Docker Auth'
-        run: gcloud auth configure-docker ${{ secrets.GCP_REGION }}-docker.pkg.dev
+      # NCR(Naver Container Registry) 로그인
+      - name: Login to NCR
+        run: |
+          echo ${{ secrets.NCP_SECRET_KEY }} | docker login ${{ secrets.NCR_REGISTRY }} \
+            -u ${{ secrets.NCP_ACCESS_KEY }} \
+            --password-stdin
 
-      # 3. Docker 이미지 빌드 및 Artifact Registry 푸시
+      # Docker 이미지 빌드 및 NCR에 푸시
       - name: Build and Push Docker Image
         run: |
-          REGISTRY="${{ secrets.GCP_REGION }}-docker.pkg.dev/${{ secrets.GCP_PROJECT_ID }}/${{ secrets.GCP_REPOSITORY }}"
-          IMAGE_NAME="link-it-backend"
           SHA=${{ github.sha }}
-
-          docker build -t $REGISTRY/$IMAGE_NAME:$SHA -t $REGISTRY/$IMAGE_NAME:latest .
-          docker push $REGISTRY/$IMAGE_NAME:$SHA
-          docker push $REGISTRY/$IMAGE_NAME:latest
+          IMAGE_SHA_TAG=${{ secrets.NCR_REGISTRY }}/link-it-backend:${SHA}
+          IMAGE_LATEST_TAG=${{ secrets.NCR_REGISTRY }}/link-it-backend:latest
 
-      # 4. GCE 서버로 docker-compose.prod.yml 파일 전송
-      - name: Copy docker-compose to GCE
-        uses: appleboy/scp-action@v0.1.7
-        with:
-          host: ${{ secrets.GCP_VM_IP }}
-          username: ${{ secrets.GCP_SSH_USER }}
-          key: ${{ secrets.GCP_SSH_KEY }}
-          source: "docker-compose.prod.yml"
-          target: "/opt/link-it"
-          overwrite: true
+          docker build -t $IMAGE_SHA_TAG .
+          docker push $IMAGE_SHA_TAG
+
+          docker tag $IMAGE_SHA_TAG $IMAGE_LATEST_TAG
+          docker push $IMAGE_LATEST_TAG
 
-      # 5. GCE 서버에서 배포 실행
-      - name: Deploy on GCP Compute Engine
+      # 서버에서 Docker 컨테이너 배포
+      - name: Deploy on NCP
         uses: appleboy/ssh-action@v1.2.0
         with:
-          host: ${{ secrets.GCP_VM_IP }}
-          username: ${{ secrets.GCP_SSH_USER }}
-          key: ${{ secrets.GCP_SSH_KEY }}
+          host: ${{ secrets.NCP_HOST }}
+          username: ${{ secrets.NCP_SSH_USER }}
+          key: ${{ secrets.NCP_SSH_KEY }}
+          command_timeout: 30m
           script: |
-            # 디렉토리 생성 및 권한 설정
-            sudo mkdir -p /opt/link-it
-            sudo chown -R ${{ secrets.GCP_SSH_USER }}:${{ secrets.GCP_SSH_USER }} /opt/link-it
             cd /opt/link-it
 
-            # .env 파일 생성
             cat > .env << 'EOF'
-            GCP_REGION=${{ secrets.GCP_REGION }}
-            GCP_PROJECT_ID=${{ secrets.GCP_PROJECT_ID }}
-            GCP_REPOSITORY=${{ secrets.GCP_REPOSITORY }}
             DB_HOST=${{ secrets.DB_HOST }}
             DB_PORT=${{ secrets.DB_PORT }}
             DB_NAME=${{ secrets.DB_NAME }}
@@ -108,13 +91,11 @@ jobs:
             NCP_BUCKET_NAME=${{ secrets.NCP_BUCKET_NAME }}
             EOF
 
-            # 서버 내부 Docker Registry 로그인
-            echo '${{ secrets.GCP_SA_KEY }}' | docker login -u _json_key --password-stdin https://${{ secrets.GCP_REGION }}-docker.pkg.dev  
+            echo ${{ secrets.NCP_SECRET_KEY }} | docker login ${{ secrets.NCR_REGISTRY }} \
+              -u ${{ secrets.NCP_ACCESS_KEY }} \
+              --password-stdin
 
-            # 컨테이너 갱신 및 실행
             docker compose -f docker-compose.prod.yml down || true
-            docker pull ${{ secrets.GCP_REGION }}-docker.pkg.dev/${{ secrets.GCP_PROJECT_ID }}/${{ secrets.GCP_REPOSITORY }}/link-it-backend:latest
+            docker pull ${{ secrets.NCR_REGISTRY }}/link-it-backend:latest
             docker compose -f docker-compose.prod.yml up -d
-
-            # 미사용 이미지 정리
             docker image prune -f

docker-compose.prod.yml

@@ -5,8 +5,6 @@ services:
     image: mysql:8.0
     container_name: link-it-mysql
     restart: always
-    ports:
-      - "3306:3306"
     environment:
       MYSQL_ROOT_PASSWORD: ${DB_ROOT_PASSWORD}
       MYSQL_DATABASE: ${DB_NAME}
@@ -47,7 +45,7 @@ services:
         max-file: "3"
 
   app:
-    image: ${GCP_REGION}-docker.pkg.dev/${GCP_PROJECT_ID}/${GCP_REPOSITORY}/link-it-backend:latest
+    image: link-it-registry.kr.ncr.ntruss.com/link-it-backend:latest
     container_name: link-it-backend
     restart: always
     ports: