Update .gitea/workflows/publish.yaml

.gitea/workflows/publish.yaml

@@ -9,10 +9,16 @@ jobs:
   build-and-deploy:
     runs-on: ubuntu-latest
     steps:
+    - name: Add SSH Key
+      run: |
+        echo "${{ secrets.SSH_KEY }}" > $HOME/.ssh/id_rsa
+        chmod 600 $HOME/.ssh/id_rsa
+        ssh-keyscan -H git.ericxliu.me >> $HOME/.ssh/known_hosts
 
       - name: Checkout code
         uses: actions/checkout@v4
         with:
+          ssh-key: ${{ secrets.SSH_KEY }}
           persist-credentials: false
           submodules: true  # Fetch Hugo themes (true OR recursive)
           fetch-depth: 0    # Fetch all history for .GitInfo and .Lastmod