[Unit]
Description=Traffic relay node for Tailscale IPN
After=network.target
ConditionPathExists=/var/lib/tailscale/relay.conf

[Service]
EnvironmentFile=/etc/default/tailscale-relay
ExecStart=/usr/sbin/relaynode --config=/var/lib/tailscale/relay.conf --tun=wg0 $PORT $FLAGS
Restart=on-failure

[Install]
WantedBy=multi-user.target