from flask import Flask
import os

app = Flask(__name__)


@app.route('/')
def index():
    return 'Server Works!\n'

@app.route('/greet')
def say_hello():
    return 'Hello from Server'

if __name__ == "__main__":
    port = int(os.environ.get('PORT', 5000))
    app.run(debug=True, host='0.0.0.0', port=port)