[Unit]
Description=Webcam Cleanup service
Requires=docker.service
After=docker.service
DefaultDependencies=no

[Service]
Type=simple
User=pi
Group=pi

Environment="HOME=/home/pi"
EnvironmentFile=/etc/default/webcam-streamer
WorkingDirectory=/home/pi

# The corresponding .timer will invoke this service every hour.

# Delete video files older then e.q. 14 days
ExecStart=/usr/bin/find ${DIR} -name '${FILENAME_PREFIX}*.${FILENAME_EXT}' -mtime +${REMOVE_OLDER_THEN_DAYS} -exec rm -vf {} \;

[Install]
WantedBy=multi-user.target