Help me plz ! i am a novice

Hello,everybody! I am a novice. When i installed centos7 disabled the selinux permit 8080 9090 80 ports by firewalled,then deploy rancher and the rancher is running normal. my centos7 have a single network card the ip address is the gateway is to connect internet.and i added the container for example tomcat container wordpress container and so on but i don’t know how to visit. in the centos7 terminal console no mapping port is listenning to visit is no response i don’t know how to do that help me plz thank you !