docker swarm availale ports code example

Example 1: how to close all ports angular

If you use 'Visual Studio Code' just click on the 'kill Terminal' on the top-right of the terminal and all the terminals ports will colsed

Example 2: docker run all port mapping

docker run --network host
When running using --network host there is no need to map the ports.
All the docker container ports will be available since the network host mode 
makes the container use the host's network stack.