Setting: [main] CI/CD checkout 부분 수정

.gitea/workflows/cicd.yml

@@ -8,7 +8,18 @@ jobs:
   build_push_deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - name: Manual checkout (supports /gitea subpath)
+        env:
+          ACTOR: ${{ github.actor }}
+          REPO: ${{ github.repository }}   # owner/repo
+          SHA: ${{ github.sha }}
+          TOKEN: ${{ secrets.NKEY_PAT }}  # repo read 권한 있는 PAT
+        run: |
+          set -euo pipefail
+          git init .
+          git remote add origin "https://${ACTOR}:${TOKEN}@nkeystudy.site/gitea/${REPO}.git"
+          git fetch --no-tags --prune --depth=1 origin "${SHA}"
+          git checkout -q FETCH_HEAD
 
       - name: Docker login
         run: |