Add proxy flag for alternative proxy configuration

config/new.go

@@ -15,9 +15,13 @@ func New() error {
 	as.Append(args.STRING, "port", "port to listen on", "33419")
 	as.Append(args.STRING, "db", "database type code", storage.MAP.String())
 	as.Append(args.STRING, "ns", "namespace", storage.DefaultNamespace)
+	as.Append(args.STRING, "proxy", "http proxy", "")
 	if err := as.Parse(); err != nil {
 		return err
 	}
+	if proxy := as.Get("proxy").GetString(); len(proxy) > 0 {
+		os.Setenv("http_proxy", proxy)
+	}
 	ctx, can := context.WithCancel(context.Background())
 	config = Config{
 		db:               as.Get("db").GetString(),