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README.md

Countdown

Preparation

Sign Up for Auth0

You'll need an Auth0 account to manage authentication. You can sign up for a free account here. Next, set up an Auth0 Client and API so Auth0 can interface with your app and API.

Set Up a Client App

  1. Go to your Auth0 Dashboard and click the "create a new client" button.
  2. Name your new app and select "Regular Web Applications".
  3. In the Settings for your new Auth0 client app, add http://0.0.0.0:4000/auth/auth0/callback to the Allowed Callback URLs.
  4. Click the "Save Changes" button.
  5. If you'd like, you can set up some social connections. You can then enable them for your app in the Client options under the Connections tab. The example shown in the screenshot above utilizes username/password database, Facebook, Google, and Twitter.

Note: On the OAuth tab of Advanced Settings (at the bottom of the Settings section) you can see the JsonWebToken Signature Algorithm is set to RS256. This is now the default, read more about RS256 vs HS256 here.

Getting ready

Install Elixir

Follow the Elixir install guide here: http://elixir-lang.org/install.html

Next we run a mix command to install the Hex package manager. Mix is a build tool that provides tasks for creating, compiling, and testing Elixir projects, managing its dependencies, and more. If you know Ruby well, Mix is Rake, Bundler, and RubyGems combined.

Now use mix to install hex: https://hexdocs.pm/mix/1.0.5/Mix.Tasks.Local.Hex.html

    $ mix local.hex

Install Phoenix

Phoenix needs at least Elixir 1.4 and Erlang 18 or later, run:

    $ elixir -v
    Erlang/OTP 19 [erts-8.3] [source] [64-bit] [smp:8:8] [async-threads:10] [hipe] [kernel-poll:false] [dtrace]

    Elixir 1.4.2

Now we can install Phoenix v1.3.0:

    $ mix archive.install https://github.com/phoenixframework/archives/raw/master/phx_new-1.3.0.ez

PostgreSQL

Follow the instructions here: http://postgresguide.com/setup/install.html

Set up your database config by editing config/dev.exs (and config/{env}.exs where appropriate), and edit the username and password near the bottom of the file. (They will both be set to “postgres” by default.)

    ...
    config :countdown, Countdown.Repo,
      adapter: Ecto.Adapters.Postgres,
      username: "postgres",
      password: "postgres",
      database: "elixir",
    ...

NPM

npm may also be required as well (dependant on your operating system, you might already have it): https://docs.npmjs.com/getting-started/installing-node

Other databases

If you choose to use another database provider, make sure you edit the configuration appropriately: https://phoenixframework.readme.io/docs/using-mysql

To start your Phoenix server:

  • Install dependencies with mix deps.get

  • Create and migrate your database with mix ecto.create && mix ecto.migrate.

  • Install Node.js dependencies with cd assets && npm install

  • Start Phoenix.

    $ AUTH0_DOMAIN=<Your domain> \
      AUTH0_CLIENT_ID=<Your client ID> \
      AUTH0_CLIENT_SECRET=<Your client secret> \
      mix phx.server

Now you can visit http://localhost:4000 from your browser.

Ready to run in production? Please check our deployment guides.

Learn more

About

A small Elixir-Lang / Phoenix Framework app demonstrating CMS behind Auth0 authenticated access.

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