Docker provides three kinds of networks to manage communications within containers and between the hosts, namely bridge, host, and none.
$ docker network ls NETWORK ID NAME DRIVER SCOPE 1224183f2080 bridge bridge local 801dec6d5e30 host host local f938cd2d644d none null local
By default, every container is connected to the bridge network upon creation. In this mode, every container is allocated a virtual interface as well as a private IP address, and the traffic going through the interface is bridged to the host's docker0 interface. Also, other containers within the same bridge network can connect to each other via their IP address. Let's run one container that is feeding a short message over port 5000, and observe its ...
