From 46d83f235efa0a27ab3b71f67752ac8332f620ec Mon Sep 17 00:00:00 2001
From: Umputun <umputun@gmail.com>
Date: Sun, 11 Apr 2021 14:21:58 -0500
Subject: [PATCH] don't run discovery if no providers

---
 app/main.go | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/app/main.go b/app/main.go
index 162813a..97150f8 100644
--- a/app/main.go
+++ b/app/main.go
@@ -97,11 +97,13 @@ func main() {
 	}
 
 	svc := discovery.NewService(providers)
-	go func() {
-		if e := svc.Run(context.Background()); e != nil {
-			log.Fatalf("[ERROR] discovery failed, %v", e)
-		}
-	}()
+	if len(providers) > 0 {
+		go func() {
+			if e := svc.Run(context.Background()); e != nil {
+				log.Fatalf("[ERROR] discovery failed, %v", e)
+			}
+		}()
+	}
 
 	sslConfig, err := makeSSLConfig()
 	if err != nil {