For mac running virtual and want to open port to the public using port fowarding. Make sure allow incoming connection for Virtualbox in the firewall setting.
fin vm stop
VBoxManage modifyvm "boot2docker-vm" --natpf1 "tcp-port8080,tcp,,8080,,8080";
VBoxManage modifyvm "boot2docker-vm" --natpf1 "tcp-port4431,tcp,,4431,,4431";
fin vm start
## To access the host
http://host.com:8080
https://host.com:4431