import os
from flask import Flask
from flask_restful import Resource, Api, reqparse

app = Flask(__name__)
api = Api(app)


class HelloWorld(Resource):
    def get(self):
        return "hw!"


api.add_resource(HelloWorld, '/')

if __name__ == "__main__":
    app.run(debug=True,host='0.0.0.0',port=int(os.environ.get('PORT', 8080)))