T1> docker-compose up
T2> docker exec -it devenv /bin/zsh
T2# python3 cli_suppliers.py --host primary --db suppliers --new_db
T2# python3 cli_suppliers.py --host primary --db suppliers --generate --batch_sz 4 --batch_nb 10 --batch_delay 0.5
lsof -i -sTCP:LISTEN