pi@ratos:/etc/systemd/system $ cat klipper.service
#Systemd Klipper Service

[Unit]
Description=Starts Klipper and provides klippy Unix Domain Socket API
Documentation=https://www.klipper3d.org/
After=network.target
Before=moonraker.service
Wants=udev.target

[Install]
Alias=klippy
WantedBy=multi-user.target


[Service]
Environment=KLIPPER_CONFIG=/home/pi/klipper_config/printer.cfg
Environment=KLIPPER_LOG=/home/pi/klipper_logs/klippy.log
Environment=KLIPPER_SOCKET=/tmp/klippy_uds
Type=simple
User=pi
RemainAfterExit=yes
ExecStart= /home/pi/klippy-env/bin/python /home/pi/klipper/klippy/klippy.py ${KLIPPER_CONFIG} -l ${KLIPPER_LOG}  -a ${KLIPPER_SOCKET}
Restart=always
pi@ratos:/etc/systemd/system $