Simple http server using Dart Shelf package

simple_echo_server.dart

import 'package:shelf/shelf.dart';
import 'package:shelf/shelf_io.dart' as io;

void main() {
  serverWithLogging();
}

Response echoHandler(Request request) {
  return new Response.ok('echo: ${request.requestedUri}');
}

void serverWithLogging() {
  Handler requestsHandler =
  new Pipeline()
      .addMiddleware(logRequests())
      .addHandler(echoHandler);
  startServer(requestsHandler);
}

void startServer(Handler requestsHandler) {
  io.serve(requestsHandler, '127.0.0.1', 8080).then((server){
    print('Server stated. Listening on http://${server.address.host}:${server.port}');
  });
}