from flask import Flask
from flask.ext import restful
from os import environ

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

class HelloWorld(restful.Resource):
    def get(self):
        return {'hello': 'world'}

api.add_resource(HelloWorld, '/')

if __name__ == '__main__':
    app.run(port=int(environ.get('PORT', 5000)))