Add Content-Type header to prometheus response (#1662)

Prometheus v3 requires `Content-Type` header Fixes #1658
2025-03-30 12:58:41 -07:00 · 2025-03-30 12:58:41 -07:00 · 791e4c9f7a
commit 791e4c9f7a
parent 831b7245aa
1 changed files with 1 additions and 0 deletions
--- a/src/apps/relay/prom_server.c
+++ b/src/apps/relay/prom_server.c
@ -65,6 +65,7 @@ MHD_RESULT promhttp_handler(void *cls, struct MHD_Connection *connection, const
    }
    ret = MHD_NO;
  } else {
+    MHD_add_response_header(response, "Content-Type", "text/plain");
    ret = MHD_queue_response(connection, status, response);
    MHD_destroy_response(response);
  }