pip install virtualenv
virtualenv --python python3 ENV
source ENV/bin/activate
deactivate
pipenv install -r requirements.txt
pipenv install gunicorn
gunicorn main:app
=================================================
pip install virtualenv
virtualenv --python python3 ENV
source ENV/bin/activate
deactivate
pipenv install -r requirements.txt
pipenv install gunicorn
gunicorn main:app
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