add api healthcheck

fly.toml

@@ -21,7 +21,7 @@ primary_region = 'ord'
     timeout = '5s'
     grace_period = '10s'
     method = 'GET'
-    path = '/'
+    path = '/api/healthcheck'
 
 [[vm]]
   memory = '256MB'

src/pages/api/healthcheck.ts

@@ -0,0 +1,12 @@
+import type { NextApiRequest, NextApiResponse } from "next";
+
+type ResponseData = {
+  status: string;
+};
+
+export default function handler(
+  _: NextApiRequest,
+  res: NextApiResponse<ResponseData>
+) {
+  res.status(200).json({ status: "ok" });
+}