server.py

from flask import Flask, send_from_directory

app = Flask(__name__, static_url_path="", static_folder="static")


@app.route("/")
def root():
    return send_from_directory("static", "index.html")


@app.route("/sinus")
def sinus():
    return send_from_directory("static", "sinus.html")


if __name__ == "__main__":
    app.run(host="0.0.0.0", port=7860)