From 3fff667f135e6181cd450d19501f91135f107433 Mon Sep 17 00:00:00 2001
From: Vitaliy Filippov <vitalif@yourcmc.ru>
Date: Mon, 14 Jul 2025 19:51:35 +0300
Subject: [PATCH] Add Content-Type header for prometheus metrics

---
 mon/mon.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mon/mon.js b/mon/mon.js
index 42e832cb..b1ec7235 100644
--- a/mon/mon.js
+++ b/mon/mon.js
@@ -96,6 +96,7 @@ class Mon
                     }
                     else
                     {
+                        res.setHeader('Content-Type', 'text/plain; version=0.0.4; charset=utf-8');
                         res.write(export_prometheus_metrics(this.state));
                     }
                 }