Split deployment pipeline per action

.github/workflows/deploy.yml → .github/workflows/preview.yml

@@ -1,22 +1,19 @@
-name: CI & Deploy to Vercel
+name: PR — CI + Vercel Preview
 
 on:
-  push:
-    branches: [main]
   pull_request:
     branches: [main]
 
-# Cancel older in-flight runs on the same ref to avoid pile-ups.
+# Cancel older in-flight runs on the same PR.
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
+  group: preview-${{ github.ref }}
   cancel-in-progress: true
 
 env:
   VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
   VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
 
 jobs:
-  # Fast feedback: fails the PR before we burn time on a Vercel build.
   ci:
     name: Lint + Type-check
     runs-on: ubuntu-latest
@@ -38,10 +35,8 @@ jobs:
       - name: Type check
         run: npx tsc --noEmit
 
-  # Preview deploy on pull requests.
   deploy-preview:
     name: Vercel Preview Deploy
-    if: github.event_name == 'pull_request'
     needs: ci
     runs-on: ubuntu-latest
     steps:
@@ -64,30 +59,3 @@ jobs:
 
       - name: Deploy preview
         run: vercel deploy --prebuilt --token=${{ secrets.VERCEL_TOKEN }}
-
-  # Production deploy on push to main.
-  deploy-production:
-    name: Vercel Production Deploy
-    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
-    needs: ci
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: 22
-          cache: npm
-
-      - name: Install Vercel CLI
-        run: npm install --global vercel@latest
-
-      - name: Pull Vercel environment (production)
-        run: vercel pull --yes --environment=production --token=${{ secrets.VERCEL_TOKEN }}
-
-      - name: Build (production)
-        run: vercel build --prod --token=${{ secrets.VERCEL_TOKEN }}
-
-      - name: Deploy to production
-        run: vercel deploy --prebuilt --prod --token=${{ secrets.VERCEL_TOKEN }}

.github/workflows/production.yml

@@ -0,0 +1,60 @@
+name: Main — CI + Vercel Production
+
+on:
+  push:
+    branches: [main]
+
+concurrency:
+  group: production-${{ github.ref }}
+  cancel-in-progress: false
+
+env:
+  VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
+  VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
+
+jobs:
+  ci:
+    name: Lint + Type-check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Type check
+        run: npx tsc --noEmit
+
+  deploy-production:
+    name: Vercel Production Deploy
+    needs: ci
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: npm
+
+      - name: Install Vercel CLI
+        run: npm install --global vercel@latest
+
+      - name: Pull Vercel environment (production)
+        run: vercel pull --yes --environment=production --token=${{ secrets.VERCEL_TOKEN }}
+
+      - name: Build (production)
+        run: vercel build --prod --token=${{ secrets.VERCEL_TOKEN }}
+
+      - name: Deploy to production
+        run: vercel deploy --prebuilt --prod --token=${{ secrets.VERCEL_TOKEN }}