, - , , , , Dockerfile Docker, -p 8000: 8000. Docker, , docker -p roxy, .
, iptables, DOCKER NAT DOCKER . :
iptables -t nat -A DOCKER ! -i your_bridge0 -p tcp -m tcp --dport 8000 -j DNAT --to-destination 172.17.0.2:8000
:
iptables -A DOCKER ! -i your_bridge0 -o your_bridge0 -d 172.17.0.2 -p tcp --m tcp --dport 80 -j ACCEPT
, , , . Docker, , , iptables (ufw, firewalld ..).