shelf_proxy
is a Shelf handler that proxies requests to an external
server. It can be served directly and used as a proxy server, or it can be
mounted within a larger application to proxy only certain URLs.
import 'package:shelf/shelf_io.dart' as shelf_io;
import 'package:shelf_proxy/shelf_proxy.dart';
void main() async {
var server = await shelf_io.serve(
proxyHandler("https://dart.dev"),
'localhost',
8080,
);
print('Proxying at http://${server.address.host}:${server.port}');
}