why I can't ping my docker container?

I run a docker container, which is named “redis”. I want to use the “redis” container redis service, but I can’t ping the container!

As the picture shows, my “redis” container is IP address is, but I can’t connect to it.

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  • One Solution collect form web for “why I can't ping my docker container?”

    Because you’re not on the same network. Containers are started on their own network by default, separate to the host’s network.

    If you run:

    docker run -it debian ping

    You should find it works. Even better, you can link containers and refer to them by name:

    $ docker run -d --name redis redis
    $ docker run --link redis:redis redis redis-cli -h redis ping

    If you really want to access redis from your host, just publish a port through to the host:

    $ docker run -d -p 6379:6379 redis

    You should now be able to reach it at localhost:6379 on the host.

    Docker will be the best open platform for developers and sysadmins to build, ship, and run distributed applications.