docker rootless
docker compose
Ubuntu 20.04 LTS
I used this setting in docker-compose:
cap_add:
- NET_BIND_SERVICE
Or typed this in terminal
sudo setcap cap_net_bind_service=ep $HOME/bin/rootlesskit
the domain DNS records A point to server
Iptables allow 80 and 443 ports
My caddy proxy server cannot open 80 or 443 ports.