Try [SimpleHTTPServer][1]:
python3 -m http.server 8080
Or, for Python 2
python -m SimpleHTTPServer 8080
It will serve whatever's in the [CWD][2] (e.g. index.html) at http://0.0.0.0:8000.
[1]: https://docs.python.org/2/library/simplehttpserver.html "SimpleHTTPServer"
[2]: https://en.wikipedia.org/wiki/Current_working_directory