When you dockerize your jboss, the expose directive (luckily) doesn’t open firewall ports.
On Fedora20 you need to update your firewalld configuration:
1- add one or more services to /etc/firewalld/zones/public.xml
2- define ports in /etc/firewalld/services/eap6-standalone.xml <service> <short>eap-standalone</short> <port port="8080" protocol="tcp" /> ... </service> Now # restorecon -R /etc/firewalld/ Then #firewall-cmd --reload