jiaōtōng Kiosk Mode

jiaotong-kiosk.service

[Unit]
Description=Jiaotong Kiosk
Requires=jiaotong.service
After=jiaotong.service

[Service]
WorkingDirectory=/home/pi
ExecStart=/usr/bin/chromium-browser --kiosk --no-first-run http://localhost:4200

[Install]
WantedBy=default.target

jiaotong.service

[Unit]
Description=Jiaotong Daemon

[Service]
WorkingDirectory=/home/pi/jiaotong
ExecStartPre=/usr/bin/npm run-script build
ExecStart=/usr/bin/npm run-script start

[Install]
WantedBy=default.target

unclutter.service

[Unit]
Description=Unclutter

[Service]
ExecStart=/usr/bin/unclutter -idle 0

[Install]
WantedBy=default.target

Put all these files into ~/.config/systemd/user/

Load the files with systemctl --user daemon-reload, then enable them with systemctl --user enable {jiaotong,jiaotong-kiosk,unclutter}.service.

For disable screen sleep, edit /etc/lightdm/lightdm.conf and set xserver-command=X -s 0 dpms