From 15d68a0eed9d81062034ad1bfd1617feb2e7a0f7 Mon Sep 17 00:00:00 2001
From: Kane Dou <douqilong@gmail.com>
Date: Fri, 28 Dec 2018 17:01:16 +0800
Subject: [PATCH] make http transport aware of proxy from envvar

---
 tunneldns/https_upstream.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tunneldns/https_upstream.go b/tunneldns/https_upstream.go
index 27e3d09b..0544112a 100644
--- a/tunneldns/https_upstream.go
+++ b/tunneldns/https_upstream.go
@@ -39,6 +39,7 @@ func NewUpstreamHTTPS(endpoint string) (Upstream, error) {
 		TLSClientConfig:    tls,
 		DisableCompression: true,
 		MaxIdleConns:       1,
+		Proxy:              http.ProxyFromEnvironment,
 	}
 	http2.ConfigureTransport(transport)