PYTHONUNBUFFERED="true" BB_BROKER="redis://127.0.0.1:6379/0" BB_WORK_DIR="/tmp/bbuilder" BB_DEBUG="false" BB_LISTEN_ADDR="0.0.0.0" BB_LISTEN_PORT="7999" BB_AUTH_KEY="I'mALittleTeapot" BB_CONCURRENCY=1 BB_SSH_KEY="/path/to/deploy/id_ed25519"