PRごとにPreview環境を作成する

.github/workflows/preview-cleanup.yaml

@@ -0,0 +1,25 @@
+name: cleanup-preview
+
+on:
+  pull_request:
+    types: [closed]
+
+jobs:
+  cleanup-preview:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: gh-pages
+
+      - name: Remove preview directory
+        run: |
+          if [ -d "pr-${{ github.event.pull_request.number }}" ]; then
+            git config user.name github-actions[bot]
+            git config user.email github-actions[bot]@users.noreply.github.com
+            git rm -rf pr-${{ github.event.pull_request.number }}
+            git commit -m "Remove preview for PR #${{ github.event.pull_request.number }}"
+            git push
+          else
+            echo "Preview directory not found, skipping cleanup"
+          fi

.github/workflows/preview.yaml

@@ -0,0 +1,61 @@
+name: deploy-preview
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+concurrency:
+  group: preview-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
+jobs:
+  deploy-preview:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+          fetch-depth: 0
+
+      - name: Setup Hugo
+        uses: peaceiris/actions-hugo@v3
+        with:
+          hugo-version: "0.115.1"
+          extended: true
+
+      - name: Build
+        run: hugo --baseURL https://blog.kyu08.com/pr-${{ github.event.pull_request.number }}/
+
+      - name: Deploy to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./public
+          destination_dir: pr-${{ github.event.pull_request.number }}
+          keep_files: true
+          cname: blog.kyu08.com
+
+      - name: Find Comment
+        uses: peter-evans/find-comment@v3
+        id: fc
+        with:
+          issue-number: ${{ github.event.pull_request.number }}
+          comment-author: 'github-actions[bot]'
+          body-includes: プレビュー環境
+
+      - name: Create or update comment
+        uses: peter-evans/create-or-update-comment@v3
+        with:
+          comment-id: ${{ steps.fc.outputs.comment-id }}
+          issue-number: ${{ github.event.pull_request.number }}
+          body: |
+            ## プレビュー環境
+
+            プレビュー環境が更新されました。
+
+            **URL:** https://blog.kyu08.com/pr-${{ github.event.pull_request.number }}/
+
+            **Commit:** [`${{ github.event.pull_request.head.sha }}`](${{ github.event.repository.html_url }}/commit/${{ github.event.pull_request.head.sha }})
+
+            ※ デプロイ完了まで数分かかる場合があります。
+          edit-mode: replace