feat: Add health check endpoint and GitHub Actions workflow for deployment monitoring

Author: philipfleischer

.github/workflows/healthcheck.yml

@@ -0,0 +1,18 @@
+name: Render Health Check
+
+on:
+  push:
+    branches: ['main']
+  workflow_dispatch:
+
+jobs:
+  healthcheck:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Wait for Render deploy
+        run: sleep 25
+
+      - name: Health check
+        run: |
+          set -e
+          curl -fsS "$RENDER_HEALTH_URL"

backend/src/server.js

@@ -47,3 +47,7 @@ connectDB().then(() => {
     console.log('Server started on PORT:', PORT);
   });
 });
+
+app.get('/api/health', (req, res) => {
+  res.status(200).json({ ok: true });
+});