[Unit]
Description=Heartbeat client (hbc) — dead-man's switch + metrics to hbd.wrede.pvt
After=network-online.target
Wants=network-online.target

[Service]
Type=simple
# Least privilege: the hbd server can push CMD (run a shell command on the client),
# so this runs as the unprivileged user, not root. hbc lives in andreas' venv install.
User=andreas
ExecStart=/home/andreas/bin/hbc -b -c /etc/hbc.yaml hbd.wrede.pvt
Restart=always
RestartSec=10

[Install]
WantedBy=multi-user.target