add CD

.gitea/workflows/build.yml

@@ -0,0 +1,38 @@
+name: Build Hexo Site
+
+on:
+  push:
+    branches: [main, master]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Cache npm dependencies
+        uses: actions/cache@v4
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build Hexo
+        run: npm run build
+
+      - name: Deploy to local directory
+        run: |
+          rm -rf /home/ubuntu/html/*
+          cp -r public/* /home/ubuntu/html/
+          echo "✅ Hexo 构建完成，已输出到 /home/ubuntu/html"