From 38af32f37c71c28baa2af6f85701152255f26cbc Mon Sep 17 00:00:00 2001
From: Nikita Vasiliev <vasilievnikita@yandex.ru>
Date: Wed, 21 Apr 2021 23:11:57 +0300
Subject: [PATCH] Fix a deadlock

---
 app/proxy/health.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/app/proxy/health.go b/app/proxy/health.go
index bd7cecf..eb5aa93 100644
--- a/app/proxy/health.go
+++ b/app/proxy/health.go
@@ -42,12 +42,11 @@ func (h *Http) healthHandler(w http.ResponseWriter, _ *http.Request) {
 			if m.PingURL == "" {
 				continue
 			}
-			sema <- struct{}{}
 			pinged++
 			wg.Add(1)
 
 			go func(m discovery.URLMapper) {
-
+				sema <- struct{}{}
 				defer func() {
 					<-sema
 					wg.Done()