app/flatcar-quickstart2/lb/lb.service

[Unit]
Description=Caddy Load Balancer
After=docker-network.service
Requires=docker.service
Requires=docker-network.service
[Service]
TimeoutStartSec=0
ExecStartPre=-/usr/bin/docker rm --force lb
ExecStart=/usr/bin/docker run --name lb --pull always --log-driver=journald --net nassella -p 8081:443 -p 8080:80 -v /var/lb/caddy:/etc/caddy docker.io/caddy:2
ExecStop=/usr/bin/docker stop lb
Restart=always
RestartSec=5s
[Install]
WantedBy=multi-user.target