Woops! had under public instead of pages causing 404

pages/api/healthcheck.ts

@@ -0,0 +1,5 @@
+import type { NextApiRequest, NextApiResponse } from "next";
+
+export default function handler(_req: NextApiRequest, res: NextApiResponse) {
+    res.status(200).json({statusCode:200, message:"Ok"})
+}