We've gotten a lot of benefit from install scripts for digital ocean but haven't always used best practices or followed them up with maintenance and upgrade practices.
We should avoid running as root on any machine used for more than wiki. Configuring nginx is one solution. A quick hack with ssh is another. stack overflow 
sudo ssh $USERNAME@localhost -L 80:localhost:3000 -N
.
See Clean Fast Install Locally using docker on a laptop for controlled experiments.
See Clean Fast Install in Docker for (hopefully) lower admin overhead when hosting a public wiki.