text: /**
   * Copyright 2019 The AMPHTML Authors
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  require('module-alias/register');
  
  const express = require('express');
  const cors = require('cors');
  const app = express();
  
  app.use(cors());
  app.use('/', require('./backend/'));
  
  const port = 8081;
  
  app.listen(port, () => console.log(`Playground listening on port ${port}!`));
  