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Elixir Cookbook

Elixir Cookbook

By : Paulo Pereira
4.5 (2)
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Elixir Cookbook

Elixir Cookbook

4.5 (2)
By: Paulo Pereira

Overview of this book

This book is intended for users with some knowledge of the Elixir language syntax and basic data types/structures. Although this is a cookbook and no sequential reading is required, the book’s structure will allow less advanced users who follow it to be gradually exposed to some of Elixir’s features and concepts specific to functional programming. To get the most out of this book, you need to be well versed with Erlang.
Table of Contents (11 chapters)
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10
Index

Setting up Cowboy


In this recipe, we will set up Cowboy. We will add it as a dependency for our application and get ready to implement some functionalities, such as static file serving and websockets, in later recipes.

Getting ready

To get ourselves started, we will create a Mix application. To do this, enter the following command in a terminal window:

> mix new cowboy_app --sup

How to do it…

Now that we have created our Elixir application, we will set up Cowboy by following these steps:

  1. Add Cowboy as a dependency in the mix.exs file under the deps method:

    defp deps do
      [ 
       { :cowboy, "~> 1.0.0"} 
      ]
    end
  2. Fetch the dependencies by issuing the following command in a terminal window:

    > mix deps.get
    

    The dependencies will be fetched and the output will be similar to this:

    Dependencies' installation

  3. We will now compile the dependencies:

    > mix deps.compile
    
  4. Before we can use Cowboy, there is still one thing to do. We will add it to the applications section in our mix.exs file:

    def application...

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