Set default transport that copy from the http.DefaultTransport

util/http.go

@@ -2,12 +2,15 @@ package util
 
 import (
 	"crypto/tls"
+	"net"
 	"net/http"
 	"net/url"
+	"time"
 )
 
 var defaultClient = &http.Client{}
 var noRedirectClient = &http.Client{}
+var defaultTransport http.RoundTripper
 
 // HttpGet get http resource
 func HttpGet(url string) (resp *http.Response, err error) {
@@ -37,16 +40,23 @@ func HttpPostWithoutRedirect(url string, data url.Values) (resp *http.Response,
 }
 
 func init() {
-	defaultClient.Transport = &http.Transport{
-		TLSClientConfig: &tls.Config{
-			InsecureSkipVerify: true,
-		},
-	}
-	noRedirectClient.Transport = &http.Transport{
+	defaultTransport = &http.Transport{
+		Proxy: http.ProxyFromEnvironment,
+		DialContext: (&net.Dialer{
+			Timeout:   30 * time.Second,
+			KeepAlive: 30 * time.Second,
+		}).DialContext,
+		ForceAttemptHTTP2:     true,
+		MaxIdleConns:          100,
+		IdleConnTimeout:       90 * time.Second,
+		TLSHandshakeTimeout:   10 * time.Second,
+		ExpectContinueTimeout: 1 * time.Second,
 		TLSClientConfig: &tls.Config{
 			InsecureSkipVerify: true,
 		},
 	}
+	defaultClient.Transport = defaultTransport
+	noRedirectClient.Transport = defaultTransport
 	noRedirectClient.CheckRedirect = func(req *http.Request, via []*http.Request) error {
 		return http.ErrUseLastResponse
 	}