message: http client use proxy settings from environment
diff: @@ -312,6 +312,7 @@ func (c *Chart) InitNetClient(customCA *CustomCA) (HTTPClient, error) {
  client: &http.Client{
  Timeout: time.Second * defaultTimeoutSeconds,
  Transport: &http.Transport{
  + Proxy: http.ProxyFromEnvironment,
  TLSClientConfig: &tls.Config{
  RootCAs: caCertPool,
  },
  