chore: rename declare file, add github workflow example for docker

Author: json-q

Docker/github-action-for-docker.yml

@@ -0,0 +1,45 @@
+name: Deploy Blog
+
+on:
+  push:
+    branches: main
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Connect server to deploy blog
+        uses: appleboy/ssh-action@master
+        with:
+          host: ${{ secrets.SSH_HOST }}
+          username: ${{ secrets.SSH_USER }}
+          key: ${{ secrets.SSH_PRIVATE_KEY }}
+          # 无缓存时，构建大约需要 10min+，8 次拉取重试约 8min+
+          command_timeout: 30m
+          script: |
+            cd ${{ secrets.BLOG_PATH_REMOTE }}
+            MAX_RETRIES=8
+            RETRY_COUNT=0
+
+            while [ $RETRY_COUNT -lt $MAX_RETRIES ]; do
+              echo "▶️ Attempt $((RETRY_COUNT+1))/$MAX_RETRIES: Pulling code..."
+              if git pull origin main; then
+                echo "✅ Git pull succeeded"
+                docker stop blog || true
+                docker rm blog || true
+                docker rmi nextjs || true
+                docker build -t nextjs .
+                docker compose up -d
+                exit 0
+              else
+                echo "❌ Git pull failed (attempt $((RETRY_COUNT+1))/$MAX_RETRIES)"
+                ((RETRY_COUNT++))
+                sleep 5
+              fi
+            done
+
+            echo "🛑 Error: Failed to pull code after $MAX_RETRIES attempts"
+            exit 1