Flask https://habr.com/post/346306/

mkdir microblog
cd microblog
python3 -m venv venv
source venv/bin/activate

export FLASK_APP=microblog.py

flask db init
flask db migrate -m "users table"
flask db upgrade

flask shell 
flask run

dc -f docker-compose-dev.yml build
dc -f docker-compose-dev.yml up -d
dc -f docker-compose-dev.yml run users python manage.py recreate_db
dc -f docker-compose-dev.yml run users python manage.py seed_db
dc -f docker-compose-dev.yml run users python manage.py test
dc -f docker-compose-dev.yml stop
dc -f docker-compose-dev.yml down

docker exec -ti users-db psql -U postgres -W