python3 -m venv .packages
source .packages/bin/activate
pip3 freeze > requirements.txt
pip3 uninstall -r requirements.txt -y
sudo apt install stockfish python3 python3-pip python3-venv
pip3 install -r requirements.txt
flask --app server.py --debug run
docker build -t chess_server . (may need sudo) docker run -d --restart=always -p 80:80 --name chess_server chess_server (may need sudo)