Flash Give Port Number
if __name__ == '__main__':
app.run(host='0.0.0.0', port=80)
Impossible Impala
if __name__ == '__main__':
app.run(host='0.0.0.0', port=80)from flask import Flask
app = Flask(__name__)
if __name__ == '__main__':
app.run(port=80)
# Also make sure that nothing else is running on port 80sudo apt install authbind
sudo touch /etc/authbind/byport/80
sudo chmod 777 /etc/authbind/byport/80
authbind --deep python3 app.py