chore: 사용자 인증 설정 추가

Author: 1winhyun

.github/workflows/cd-prod.yaml

@@ -2,7 +2,7 @@ name: CD Pipeline
 
 on:
   workflow_run:
-    workflows: ["CI pipeline"]
+    workflows: [ "CI pipeline" ]
     types:
       - completed
 
@@ -19,22 +19,20 @@ jobs:
           )/bin/linux/amd64/kubectl"
           chmod +x kubectl
           sudo mv kubectl /usr/local/bin/
-          
-      - name: Debug KUBE_CONFIG_DATA length
-        run: |
-          echo "---- begin secret preview -----"
-          # 맨 앞 100자를 찍고, 전체 문자열 길이를 출력
-          echo "${{ secrets.KUBE_CONFIG_DATA }}" | head -c 100
-          echo ""; echo "… (중략) …"
-          echo "전체 길이: $(echo "${{ secrets.KUBE_CONFIG_DATA }}" | wc -c)"
-          echo "---- end secret preview -------"
 
       - name: Setup kubeconfig
         run: |
           mkdir -p $HOME/.kube
           echo "${{ secrets.KUBE_CONFIG_DATA }}" | base64 --decode > $HOME/.kube/config
           chmod 600 $HOME/.kube/config
 
+      - name: Install kic-iam-auth plugin
+        run: |
+          curl -L "https://objectstorage.kr-central-2.kakaocloud.com/v1/c11fcba415bd4314b595db954e4d4422/public/docs/binaries-kic-iam-auth/Linux%20x86_64%2064Bit/kic-iam-auth" \
+            -o kic-iam-auth
+          chmod +x kic-iam-auth
+          sudo cp kic-iam-auth /usr/local/bin/
+
       - name: Test kubectl 연결
         run: kubectl get nodes -n trendist