chore: add /api/health and point Railway healthcheck to it

Author: Convert-ToInt32

railway.toml

@@ -3,7 +3,7 @@ builder = "nixpacks"
 
 [deploy]
 startCommand = "bash start.sh"
-healthcheckPath = "/"
+healthcheckPath = "/api/health"
 healthcheckTimeout = 300
 restartPolicyType = "on_failure"
 restartPolicyMaxRetries = 10 

src/app/api/health/route.ts

@@ -0,0 +1,7 @@
+import { NextResponse } from "next/server";
+
+export async function GET() {
+  return NextResponse.json({ status: "ok" }, { status: 200 });
+}
+
+