Add deployment automation

.github/workflows/deploy.yml

@@ -0,0 +1,61 @@
+name: Deploy
+
+on:
+  push:
+    branches:
+      - main
+
+concurrency:
+  group: deploy-production-main
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Build
+        run: npm run build
+
+      - name: Set up Supabase CLI
+        uses: supabase/setup-cli@v1
+        with:
+          version: 2.101.0
+
+      - name: Link Supabase project
+        env:
+          SUPABASE_ACCESS_TOKEN: ${{ secrets.SUPABASE_ACCESS_TOKEN }}
+          SUPABASE_PROJECT_REF: ${{ secrets.SUPABASE_PROJECT_REF }}
+          SUPABASE_DB_PASSWORD: ${{ secrets.SUPABASE_DB_PASSWORD }}
+        run: supabase link --project-ref "$SUPABASE_PROJECT_REF" --password "$SUPABASE_DB_PASSWORD"
+
+      - name: Apply pending migrations and seed baseline data
+        env:
+          SUPABASE_ACCESS_TOKEN: ${{ secrets.SUPABASE_ACCESS_TOKEN }}
+        run: supabase db push --linked --include-seed
+
+      - name: Set up Vercel CLI
+        run: npm install --global vercel@54.4.1
+
+      - name: Deploy to Vercel production
+        env:
+          VERCEL_TOKEN: ${{ secrets.VERCEL_TOKEN }}
+          VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
+          VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
+        run: vercel deploy --prod --yes --token "$VERCEL_TOKEN"