pip3 install --user flask flask-cors flask_httpauth
export FLASK_APP=hello python3 -m flask run --port 5001 --host=127.0.0.1
export FLASK_APP=hello-cors python3 -m flask run --port 5001 --host=127.0.0.1
pip3 install --user flask flask-cors flask_httpauth
export FLASK_APP=hello python3 -m flask run --port 5001 --host=127.0.0.1
export FLASK_APP=hello-cors python3 -m flask run --port 5001 --host=127.0.0.1