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Specify the port number on the host for the corresponding IP address to listen on.
For the next step, consider the following result of docker ps
Docker is running on Windows Home OS, so it is Docker ToolBox. docker machine IP is 192.168.99.100.
There are two tomcat 9 instances running, one called t9s and the is called t9s-hanc. There is a MySQL instance called mysql-hanc.