gollum

install and enable

gem install gollum
gem install github-markdown #required for tables

enter the following in /etc/systemd/system/gollum-personal.service

[Unit]
Description=Personal Gollum wiki server
After=network.target

[Service]
Type=simple
ExecStart=/home/pyratebeard/.gem/ruby/2.5.0/bin/gollum --show-all --live-preview --h1-title --port 4666 --css "/path/to/your/repo"
Restart=on-abort

[Install]
WantedBy=multi-user.target