Create build.yml

.github/workflows/build.yml

@@ -0,0 +1,37 @@
+name: Hexo Deploy Automatically
+
+on: 
+  push:
+    branches: 
+      - master
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    
+    strategy:
+      matrix:
+        node-version: [9.x]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      
+      - name: Build
+        run: |
+          yarn global add gulp-cli
+          yarn
+          gulp build
+      
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          deploy_key: ${{ secrets.DEPLOY_KEY }}
+          publish_branch: release
+          publish_dir: ./dist