Add gh-pages.yml

.github/workflows/gh-pages.yml

@@ -0,0 +1,37 @@
+name: Deploy to GitHub Pages
+
+# mainへのpush時に発動
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      # mainを取得
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      # Nodeのセットアップ
+      - name: Setup Node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 20
+
+      # パッケージをインストール
+      - name: Install dependencies
+        run: yarn
+
+      # ビルド
+      - name: Build
+        run: yarn build
+
+      # GitHub Pagesにデプロイ
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: out