flask

create virtual environment

python -m venv .venv

activate virtual environment

source .venv/bin/activate

install dependency management pip-tools

pip install pip-tools

create requirements for pip-compile

touch requirements.in
touch requirements-dev.in

add dependencys

flask
python-decouple
requests
flask-cors 

editing requirements-dev.in

-r requirements.in
pytest
blak

Heroku apps

create heroku app backend

heroku apps:create currency-backend-flask