Local server (`server.py`) was rewritten to python3 (`3.8.4`), using the python3 `http.server` and `socketserver`, both packages are part of basic python3 distribution.
To run locally:
```
python server.py
```
The script binds to port `80`, it may require permissions to bind to a low port number. If so, change port number to `8080` or anything above `1024`, or sudo.
Local docker build
------------------
Script `run.sh` build and runs a local docker image.