Export azk balancer to a public interface

export.sh

# No mac ou linux
sudo ncat --sh-exec "ncat dev.azk.io 80" -l 80 --keep-open

# Apenas no linux
(
  public_interface="eth0";
  docker_ip=`ip -o -4 add show docker0 | awk '{print $4}' | cut -d/ -f1`;
  echo iptables -t nat -A PREROUTING -i ${public_interface} -p tcp -m tcp \
    --dport 80 -j DNAT --to-destination ${docker_ip}:11000;
)

# Add to Azkfile.js in http.domains
# "#{system.name}.[public_interface_ip].xip.io"
# ex: "#{system.name}.10.225.35.102.xip.io"