fix(http): use Google DNS by default

Author: JanDeDobbeleer

src/runtime/http/http.go

@@ -1,6 +1,7 @@
 package http
 
 import (
+	"context"
 	"net"
 	"net/http"
 	"time"
@@ -12,12 +13,23 @@ type httpClient interface {
 	Do(req *http.Request) (*http.Response, error)
 }
 
+func dialer() *net.Dialer {
+	return &net.Dialer{
+		Resolver: &net.Resolver{
+			PreferGo: true,
+			Dial: func(ctx context.Context, network, _ string) (net.Conn, error) {
+				d := net.Dialer{Timeout: 10 * time.Second}
+				return d.DialContext(ctx, network, "8.8.8.8:53") // Use Google DNS
+			},
+		},
+		Timeout: 30 * time.Second,
+	}
+}
+
 var (
 	defaultTransport http.RoundTripper = &http.Transport{
-		Proxy: http.ProxyFromEnvironment,
-		Dial: (&net.Dialer{
-			Timeout: 10 * time.Second,
-		}).Dial,
+		Proxy:                 http.ProxyFromEnvironment,
+		Dial:                  dialer().Dial,
 		TLSHandshakeTimeout:   10 * time.Second,
 		ResponseHeaderTimeout: 10 * time.Second,
 	}