[Unit]
Description=Microscope camera kiosk (cage + capture UI)
Documentation=file:/opt/microscope-camera/README.md
After=systemd-user-sessions.service systemd-logind.service
Wants=systemd-logind.service
Conflicts=getty@tty1.service
After=getty@tty1.service
ConditionPathExists=/opt/microscope-camera/app.py

[Service]
Type=simple
User=tyler
Group=tyler
# A logind session on tty1 gives cage DRM master plus input device access.
PAMName=login
TTYPath=/dev/tty1
TTYReset=yes
TTYVHangup=yes
TTYVTDisallocate=yes
StandardInput=tty
StandardOutput=journal
StandardError=journal
Environment=XDG_RUNTIME_DIR=/run/user/1000
Environment=HOME=/home/tyler
Environment=PYTHONUNBUFFERED=1
ExecStartPre=/bin/sh -c 'install -d -m 700 -o tyler -g tyler /run/user/1000'
ExecStart=/usr/bin/cage -s -- /usr/bin/python3 /opt/microscope-camera/app.py
Restart=always
RestartSec=2
# Keep the recorder alive long enough to flush its last frames on restart.
KillSignal=SIGTERM
TimeoutStopSec=30

[Install]
WantedBy=multi-user.target