diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index aa68a19..951bea9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,10 +13,13 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v4
-        with:
-          node-version: '22'
-          cache: 'npm'
+      - name: Setup Node.js
+        run: |
+          if ! command -v node &>/dev/null || [ "$(node -v | cut -d. -f1 | tr -d v)" -lt 22 ]; then
+            curl -fsSL https://deb.nodesource.com/setup_22.x | bash -
+            apt-get install -y nodejs
+          fi
+          node -v && npm -v
 
       - name: Install dependencies
         run: npm ci --legacy-peer-deps
@@ -40,37 +43,28 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: docker/setup-buildx-action@v3
+      - name: Login to Gitea Registry
+        run: echo "${{ secrets.GITEA_TOKEN }}" | docker login git.tolelom.xyz -u "${{ github.actor }}" --password-stdin
 
-      - uses: docker/login-action@v3
-        with:
-          registry: git.tolelom.xyz
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITEA_TOKEN }}
-
-      - uses: docker/build-push-action@v5
-        with:
-          context: .
-          push: true
-          tags: git.tolelom.xyz/${{ github.repository_owner }}/a301-web:latest
-          platforms: linux/arm64
-          build-args: |
-            VITE_API_BASE_URL=https://a301.api.tolelom.xyz
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
+      - name: Build and Push Docker Image
+        run: |
+          docker build \
+            --build-arg VITE_API_BASE_URL=https://a301.api.tolelom.xyz \
+            -t git.tolelom.xyz/${{ github.repository_owner }}/a301-web:latest \
+            .
+          docker push git.tolelom.xyz/${{ github.repository_owner }}/a301-web:latest
 
   # ── 3. 서버 배포 ──────────────────────────────────────────────────────────
   deploy:
     needs: docker
     runs-on: ubuntu-latest
     steps:
-      - uses: appleboy/ssh-action@v1
-        with:
-          host: ${{ secrets.SERVER_HOST }}
-          username: ${{ secrets.SERVER_USER }}
-          key: ${{ secrets.SSH_PRIVATE_KEY }}
-          script: |
-            export PATH=$PATH:/usr/local/bin:/opt/homebrew/bin:$HOME/.docker/bin
-            cd ~/server
-            docker compose pull web
-            docker compose up -d web
+      - name: Deploy to Server
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/deploy_key
+          chmod 600 ~/.ssh/deploy_key
+          ssh -o StrictHostKeyChecking=no -i ~/.ssh/deploy_key \
+            ${{ secrets.SERVER_USER }}@${{ secrets.SERVER_HOST }} \
+            'export PATH=$PATH:/usr/local/bin:/opt/homebrew/bin:$HOME/.docker/bin && cd ~/server && docker compose pull web && docker compose up -d web'
+          rm -f ~/.ssh/deploy_key