[Unit]
Description=slideshow

[Service]
Type=simple
Environment="DISPLAY=:0"
Environment="SLIDESHOW_INTERVAL=60"
Environment="SLIDESHOW_DIRECTORY=$HOME"
Environment="SLIDESHOW_RESOLUTION=1920x1080"
Environment="SLIDESHOW_LOGLEVEL=info"
ExecStart=/opt/slideshow/slideshow

[Install]
WantedBy=multi-user.target