api/index.py

from flask import Flask
from flask import send_from_directory

app = Flask(__name__)

@app.route('/')
def home():
    return 'Hello, World!'

@app.route('/ieltsonline.com/<path:path>')
def send_report(path):
    if path.endswith("/"):
        path = path+ "index.html"
    return send_from_directory('ieltsonline.com', path)

@app.route('/about')
def about():
    return 'About'

if __name__ == '__main__':
    app.run("0.0.0.0",3001)