Hello World - Flask Web Application

app.yaml

runtime: python37

index.html

<h1> Hello World from Flask Web App </h1>

main.py

from flask import Flask, request

app = Flask(__name__, static_url_path='', static_folder='')

@app.route('/')
def root():
    return app.send_static_file('index.html')

if __name__ == '__main__':
    app.run(host='127.0.0.1', port=8080, debug=True)

requirements.txt

flask