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Programming Phoenix by Jose Valim, Bruce Tate, Chris McCord

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Wrapping Up

In this chapter, we took some time to break our growing project into bite-sized pieces. We used umbrellas, an Elixir construct that allows us to develop and test projects in isolation but integrate them into a whole. Along the way:

  • We used Observer to view our application.

  • We found a convenient place to split our application.

  • We moved our information system into its own child umbrella project.

  • We moved rumbl into its own child umbrella project.

  • We learned to identify configuration changes, including dependencies, supervision trees, and application configuration.

In the next chapter, you’ll look at how to test your applications. You’ll see how to test channels and OTP, and also how our umbrella project will help us manage all of it. ...

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