[day-01] phoenix project setup

Create new phoenix project

lib/wabanex/application.ex

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+defmodule Wabanex.Application do
+  # See https://hexdocs.pm/elixir/Application.html
+  # for more information on OTP Applications
+  @moduledoc false
+
+  use Application
+
+  def start(_type, _args) do
+    children = [
+      # Start the Ecto repository
+      Wabanex.Repo,
+      # Start the Telemetry supervisor
+      WabanexWeb.Telemetry,
+      # Start the PubSub system
+      {Phoenix.PubSub, name: Wabanex.PubSub},
+      # Start the Endpoint (http/https)
+      WabanexWeb.Endpoint
+      # Start a worker by calling: Wabanex.Worker.start_link(arg)
+      # {Wabanex.Worker, arg}
+    ]
+
+    # See https://hexdocs.pm/elixir/Supervisor.html
+    # for other strategies and supported options
+    opts = [strategy: :one_for_one, name: Wabanex.Supervisor]
+    Supervisor.start_link(children, opts)
+  end
+
+  # Tell Phoenix to update the endpoint configuration
+  # whenever the application is updated.
+  def config_change(changed, _new, removed) do
+    WabanexWeb.Endpoint.config_change(changed, removed)
+    :ok
+  end
+end

lib/wabanex/repo.ex

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+defmodule Wabanex.Repo do
+  use Ecto.Repo,
+    otp_app: :wabanex,
+    adapter: Ecto.Adapters.Postgres
+end