python -m venv venv
source venv/bin/activate
pip install -r requirements.txt

$ python server.py -h
usage: server.py [-h] [--host HOST] [--port PORT] --prefix PREFIX

optional arguments:
  -h, --help       show this help message and exit
  --host HOST
  --port PORT
  --prefix PREFIX  Allowed directories

$ python server.py --host 127.0.0.1 --port 8765 --prefix /tmp/ --prefix /tmp/dir1

python -m http.server