🧑‍💻 Add healthcheck API endpoints on all apps (#1563)

fixes #1555

apps/viewer/next.config.mjs

@@ -159,6 +159,10 @@ const nextConfig = {
             destination:
               '/api/v1/typebots/:typebotId/blocks/:blockId/storage/upload-url',
           },
+          {
+            source: '/healthz',
+            destination: '/api/health',
+          },
         ])
         .concat(
           process.env.NEXTAUTH_URL

apps/viewer/src/pages/api/health.ts

@@ -0,0 +1,5 @@
+import { NextApiRequest, NextApiResponse } from 'next'
+
+export default function handler(req: NextApiRequest, res: NextApiResponse) {
+  res.status(200).json({ status: 'ok', timestamp: new Date().toISOString() })
+}