From 3732d4bae80e6336b6b927fb96d24e865b4b69ec Mon Sep 17 00:00:00 2001
From: Pedro Paulo Vezza Campos <pedro@vezza.com.br>
Date: Mon, 18 May 2026 10:07:38 -0700
Subject: [PATCH] Add per-PR preview deployment workflow

Sets up Cloudflare Workers preview deployments for every pull request.
Uses wrangler versions upload with preview aliases to create stable
preview URLs at pr-<number>-vezza-dev.workers.dev
---
 .github/workflows/deploy-preview.yml | 48 ++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 .github/workflows/deploy-preview.yml

diff --git a/.github/workflows/deploy-preview.yml b/.github/workflows/deploy-preview.yml
new file mode 100644
index 0000000..cbb7c3a
--- /dev/null
+++ b/.github/workflows/deploy-preview.yml
@@ -0,0 +1,48 @@
+name: Deploy Preview
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+  push:
+    branches: [main]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '18'
+
+      - run: npm ci
+      - run: npm run build
+
+      - name: Deploy PR Preview
+        if: github.event_name == 'pull_request'
+        uses: cloudflare/wrangler-action@v3
+        with:
+          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
+          command: versions upload --preview-alias pr-${{ github.event.number }}
+
+      - name: Deploy Production
+        if: github.event_name == 'push'
+        uses: cloudflare/wrangler-action@v3
+        with:
+          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
+
+      - name: Comment PR with preview URL
+        if: github.event_name == 'pull_request'
+        uses: actions/github-script@v7
+        with:
+          script: |
+            github.rest.issues.createComment({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              body: '🚀 Preview: https://pr-${{ github.event.number }}-vezza-dev.workers.dev'
+            })