install.sh

cp ngrok.service ~/.config/systemd/user/
cp ngrok.yml ~/.ngrok2/`
systemctl --user enable ngrok
sudo loginctl enable-linger debian

ngrok.service

[Unit]
Description=Share local port(s) with ngrok
After=syslog.target network.target

[Service]
PrivateTmp=true
Type=simple
Restart=always
RestartSec=1min
ExecStart=/usr/bin/nohup /usr/bin/ngrok start --all
ExecStop=/usr/bin/killall ngrok

[Install]
WantedBy=multi-user.target

ngrok.yml

authtoken: AUTHTOKEN
tunnels:
    default:
        hostname: HOSTNAME.HOSTDOMAIN
        proto: http
        addr: 80