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Now that we've covered a lot of basics

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about images and containers

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and now that we all also know how we can persist data inside

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of a container and how we can work with volumes,

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we'll dive into a never key concept

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which you will need in most applications

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you're going to dockerize and that will be networks

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and how you can use networks from inside your containers.

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Now with networks here,

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i really mean how you can connect multiple containers,

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how you can let them talk to each other

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but also how you could connect an application

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running in a container to your local host machine.

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And for example, send HTTP requests

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to some other service running on your machine.

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And also how you can reach out to the world wide web

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from inside your container.

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Specifically in this module,

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we are going to explore which kinds

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of networks we have or where you might want to send requests

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to from inside your containers.

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And we're going to explore how

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we can connect multiple containers

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so that they can interact with each other.