Replace the favicon.ico and it's (hopefully) good to go.
$ node index.js /path/to/server/root [PORT]
$ docker build -t sfs .
$ docker run -it -p 80:8000 -v /path/to/server/root:/data sfs
$ docker run -it -p 80:8000 -v /path/to/server/root:/data 21314/sfs