systemd for c-lightning daemon

lightningd.service

[Unit]
Description=C-Lightning daemon
Requires=bitcoind.service
Requires=getpubip.service
After=bitcoind.service

[Service]
# get var PUBIP from file
EnvironmentFile=/etc/pubip/pubip

# wait 2 minutes until bitcoind has loaded blockchain data
#ExecStartPre=/bin/sleep 120

ExecStart=/usr/local/bin/lightningd --network bitcoin --log-level debug --rgb HEXXXX --alias ALIAS --ipaddr $PUBIP_V4 --ipaddr=$PUBIP_V6 --lightning-dir=/var/lib/lightningd --bitcoin-datadir=/var/lib/bitcoind
PIDFile=/var/lib/lightningd/lightningd.pid
User=bitcoin
Group=bitcoin
Type=simple
KillMode=process
TimeoutSec=180
Restart=always
RestartSec=60

[Install]
WantedBy=multi-user.target