Add deploy workflow for migrating DB (which doesn't exist yet)

.github/workflows/deploy.yml

@@ -0,0 +1,24 @@
+# https://www.prisma.io/docs/orm/prisma-client/deployment/deploy-database-changes-with-prisma-migrate
+
+name: Example - Deploy database changes (for now this does nothing because there is no prod database)
+on:
+  push:
+    paths:
+      - prisma/migrations/** # Only run this workflow when migrations are updated
+    branches:
+      - main
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v3
+      - name: Setup Node
+        uses: actions/setup-node@v3
+      - name: Install dependencies
+        run: npm install
+      - name: Apply all pending migrations to the database (for now this does nothing because there is no prod database)
+        run: npx prisma migrate deploy
+        env:
+          DATABASE_URL: ${{ secrets.DATABASE_URL }} # This secret does not exist yet