Stage after merging with project files

src/routes/healthRoutes.js

@@ -0,0 +1,21 @@
+import { Router } from 'express';
+
+import { query } from '../db/pool.js';
+import { asyncHandler } from '../utils/asyncHandler.js';
+
+const router = Router();
+
+router.get(
+  '/',
+  asyncHandler(async (_req, res) => {
+    await query('SELECT 1 AS ok');
+
+    res.json({
+      status: 'ok',
+      service: 'check-list-poc-api',
+      database: 'connected'
+    });
+  })
+);
+
+export default router;