From 5901d3422073112c97bcaf5d6c9a63d990a1f222 Mon Sep 17 00:00:00 2001
From: acoshift <acoshift@gmail.com>
Date: Fri, 20 Jul 2018 22:09:12 +0700
Subject: [PATCH] config: only load cert, key when exists

---
 config.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/config.go b/config.go
index 5910da8..3fce784 100644
--- a/config.go
+++ b/config.go
@@ -84,8 +84,13 @@ func (app *App) Config(config AppConfig) *App {
 	parseDuration(config.Server.ReadHeaderTimeout, &app.ReadHeaderTimeout)
 	parseDuration(config.Server.WriteTimeout, &app.WriteTimeout)
 	parseDuration(config.Server.IdleTimeout, &app.IdleTimeout)
-	app.certFile = config.Server.CertFile
-	app.keyFile = config.Server.KeyFile
+
+	if config.Server.CertFile != "" {
+		app.certFile = config.Server.CertFile
+	}
+	if config.Server.KeyFile != "" {
+		app.keyFile = config.Server.KeyFile
+	}
 
 	// load graceful config
 	if config.Server.GracefulShutdown != nil {