mix.exs

defp deps do
    [
      {:phoenix, "~> 1.6.16"},
      {:phoenix_ecto, "~> 4.4"},
      {:ecto_sql, "~> 3.6"},
      {:postgrex, ">= 0.0.0"},
      {:phoenix_html, "~> 3.0"},
      {:phoenix_live_reload, "~> 1.2", only: :dev},
      {:phoenix_live_view, "~> 0.17.5"},
      {:floki, ">= 0.30.0", only: :test},
      {:phoenix_live_dashboard, "~> 0.6"},
      {:esbuild, "~> 0.4", runtime: Mix.env() == :dev},
      {:swoosh, "~> 1.3"},
      {:telemetry_metrics, "~> 0.6"},
      {:telemetry_poller, "~> 1.0"},
      {:gettext, "~> 0.18"},
      {:jason, "~> 1.2"},
      {:plug_cowboy, "~> 2.5"}
    ]
  end

• fill the list by searching from github repo

• also add strategy (dependency of the dependency)

• configuration internally in Phoenix

  def application do
      [
        mod: {Hello.Application, []},
        extra_applications: [:logger, :runtime_tools, **:add_here!**]
      ]
    end
  

• install all of them!: mix deps.get

• configuire

  • config/cofig.exs

  config :ueberauth, Ueberauth,
    providers: [
      <provider name>: { <Strategy Module>, [ <strategy options> ] }
    ]
  

  # Example !!
  config :ueberauth, Ueberauth,
    providers: [
      facebook: { Ueberauth.Strategy.Facebook, [ opt1: "value", opts2: "value" ] },
      github: { Ueberauth.Strategy.Github, [ opt1: "value", opts2: "value" ] }
    ]
  

  • Also here add credential, if needed.

• router setup

  • lib/{project}_web/router.ex

    # this will link to your controller!
    scope "/auth", Discuss do
    	pipe_through :browser
    
    	get "/:provider", AuthController, :request
    	get "/:provider/callback", AuthController, :callback
    end
    

• controller setup

  • lib/{project}_web/controllers/auth_controller.ex

    # plug the relevant library. it links with the function called from router!
    defmodule MyApp.AuthController do
      use MyApp.Web, :controller
      **plug Ueberauth**
      ...
    end