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Docker Container Networking

Each container should serve a single purpose, such as running one application like a web server. Containers can be powerful by themselves, but when connected together, they are far more useful. For example, a web server container can be connected to a database container to provide application storage. Docker provides multiple options for networking containers. In this lab, you'll explore a few of the common types of networks that Docker supports, and learn how containers within those networks interact.

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Path Info

Level
Clock icon Beginner
Duration
Clock icon 30m
Published
Clock icon Nov 20, 2020

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Table of Contents

  1. Challenge

    Explore the Default Network

    1. List the default networks.
    2. Run an httpd container named web1 without specifying a network and see which network it uses.
    3. Attempt to connect to web1 by name and by IP from another container run without a network specified.

  2. Challenge

    Explore Bridge Networks

    1. Create a new bridge network named test_application.
    2. Run an httpd container named web2 in the test_application network.
    3. Attempt to connect to web2 by name and by IP from another container within the test_application network.
    4. Attempt to connect to web1 from a container in the test_application network.

  3. Challenge

    Explore the Host Network

    1. Run an httpd container named web3 on the host network.
    2. Attempt to connect to web3 directly from the server.
    3. Attempt to connect to web3 from another container on the host network.
    4. Attempt to connect to web1 and web2 from a container on the host network.
A Cloud Guru - Labs - Docker Container Networking
Author
A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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