ci: split preview and deploy workflows

.github/preview-comment.md

@@ -0,0 +1,7 @@
+## Deploying with &nbsp;<a href="https://workers.dev"><img alt="Cloudflare Workers" src="https://workers.cloudflare.com/logo.svg" width="16"></a> &nbsp;Cloudflare Workers
+
+The latest updates on your project. Learn more about [integrating Git with Workers](https://developers.cloudflare.com/workers/ci-cd/builds/git-integration/).
+
+| Status                                | Name   | Latest Commit | Preview URL    | Updated (UTC) |
+| ------------------------------------- | ------ | ------------- | -------------- | ------------- |
+| ${STATUS} <br>[View logs](${RUN_URL}) | schedule | ${SHORT_SHA}  | ${PREVIEW_URL} | ${NOW}        |

.github/workflows/deploy.yml

@@ -1,17 +1,16 @@
-name: Deploy to Cloudflare Workers
+name: Deploy 🚀
 
 on:
   push:
-    branches:
-      - main
-  pull_request:
-    branches:
-      - main
+    branches: [main]
+  workflow_dispatch:
+
+concurrency:
+  group: deploy-production
+  cancel-in-progress: false
 
 jobs:
   deploy:
-    # 포크 PR에는 secret이 전달되지 않으므로 같은 저장소의 PR만 미리보기 버전을 올린다
-    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name == github.repository
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -29,4 +28,3 @@ jobs:
         with:
           apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
           packageManager: bun
-          command: ${{ github.event_name == 'push' && 'deploy' || 'versions upload' }}

.github/workflows/preview.yml

@@ -0,0 +1,55 @@
+name: Preview 🔍
+
+on:
+  pull_request:
+
+concurrency:
+  group: preview-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
+jobs:
+  preview:
+    runs-on: ubuntu-latest
+    # 포크 PR에는 secret이 전달되지 않으므로 같은 저장소의 PR만 미리보기를 만든다
+    if: >
+      github.event.pull_request.head.repo.full_name == github.repository &&
+      github.actor != 'dependabot[bot]'
+    permissions:
+      contents: read
+      pull-requests: write
+    steps:
+      - uses: actions/checkout@v7
+
+      - uses: oven-sh/setup-bun@v2
+
+      - run: bun install --frozen-lockfile
+
+      - run: bun run build
+
+      - name: Upload preview version
+        id: upload
+        uses: cloudflare/wrangler-action@v4
+        with:
+          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          packageManager: bun
+          command: versions upload --preview-alias pr-${{ github.event.pull_request.number }}
+
+      - name: Render comment
+        if: always()
+        env:
+          STATUS: ${{ steps.upload.outcome == 'success' && '✅ Ready' || '❌ Failed' }}
+          RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
+          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
+          PREVIEW_URL: <a href='https://pr-${{ github.event.pull_request.number }}-schedule.dalestudy.workers.dev'>Commit Preview URL</a>
+        run: |
+          SHORT_SHA="${HEAD_SHA::8}"
+          NOW="$(date -u '+%b %d %Y, %I:%M %p')"
+          export SHORT_SHA NOW
+          envsubst < .github/preview-comment.md > comment.md
+
+      - name: Comment
+        if: always()
+        uses: marocchino/sticky-pull-request-comment@v3
+        with:
+          header: cloudflare-workers
+          path: comment.md