frontend: node(with yarn) + reactjs + umijs
server: python flask
deploy: docker + nginx
database: not yet decided
node（version: 10 or 12）
brew install node
node -v
npm install yarn -g
python3 flask： （https://flask.palletsprojects.com/en/1.1.x/installation/#install-flask）
cd server
python3 -m venv venv
. venv/bin/activate
pip install flask python-dotenv
docker: https://docs.docker.com/get-docker/
at current terminal:
npm run start-server
open another terminal and run
npm run start-client
then visit http://localhost:8000