[Unit]
Description=BubbleCam BME280 sensor logger
After=bubblecam-rtc-sync.service local-fs.target
Wants=bubblecam-rtc-sync.service
# Rate limiting belongs in [Unit] -- systemd ignores these keys under
# [Service] ("Unknown key"), silently disabling the restart cap.
StartLimitIntervalSec=300
StartLimitBurst=10

[Service]
Type=simple
ExecStart=/opt/bubblecam/bin/sensor_logger.py
Restart=on-failure
RestartSec=5
User=root
# Sensor logging is mission-critical and tiny; never let it be the OOM
# killer's pick when something larger (a camera/ffmpeg process) misbehaves.
OOMScoreAdjust=-500
# Kept deliberately lower priority than camera capture -- at a 10s sample
# cadence this almost never actually contends with ffmpeg, but the intent
# should be explicit in the unit file.
Nice=10
IOSchedulingClass=best-effort
IOSchedulingPriority=7

[Install]
WantedBy=multi-user.target