From 898d256511fdddbc6b5e783116b07fd240b28819 Mon Sep 17 00:00:00 2001
From: tobi <31960611+tsmethurst@users.noreply.github.com>
Date: Thu, 12 May 2022 11:35:36 +0200
Subject: [PATCH] [bugfix] Fix server trying to listen twice on same address
 when l.e. enabled (#557)

---
 internal/router/router.go | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/internal/router/router.go b/internal/router/router.go
index 0367ba912..dbd39fc99 100644
--- a/internal/router/router.go
+++ b/internal/router/router.go
@@ -91,10 +91,6 @@ func (r *router) Start() {
 			http.Redirect(rw, r, target, http.StatusTemporaryRedirect)
 		})
 
-		// Clone HTTP server but with autocert handler
-		srv := r.srv
-		srv.Handler = r.certManager.HTTPHandler(redirect)
-
 		// Start the LetsEncrypt autocert manager HTTP server.
 		go func() {
 			addr := fmt.Sprintf("%s:%d",
@@ -103,8 +99,7 @@ func (r *router) Start() {
 			)
 
 			logrus.Infof("letsencrypt listening on %s", addr)
-
-			if err := srv.ListenAndServe(); err != nil &&
+			if err := http.ListenAndServe(addr, r.certManager.HTTPHandler(redirect)); err != nil &&
 				err != http.ErrServerClosed {
 				logrus.Fatalf("letsencrypt: listen: %s", err)
 			}