From 2a9f5da5dff319613463841bdae79f32ba24a3ce Mon Sep 17 00:00:00 2001
From: Marco Russo <badtrap@gmail.com>
Date: Sat, 14 Dec 2024 15:23:08 +0100
Subject: [PATCH] feat: Final OTP application

---
 lib/servy.ex             | 9 +++++----
 lib/servy/kickstarter.ex | 3 ++-
 mix.exs                  | 5 ++++-
 3 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/lib/servy.ex b/lib/servy.ex
index afe2bc5..b8e479c 100644
--- a/lib/servy.ex
+++ b/lib/servy.ex
@@ -1,7 +1,8 @@
 defmodule Servy do
-  def hello(name) do
-    "Howdy, #{name}!"
+  use Application
+
+  def start(_type, _args) do
+    IO.puts "Starting the application..."
+    Servy.Supervisor.start_link()
   end
 end
-
-IO.puts Servy.hello("Elixir")
diff --git a/lib/servy/kickstarter.ex b/lib/servy/kickstarter.ex
index 70c5682..a26b9de 100644
--- a/lib/servy/kickstarter.ex
+++ b/lib/servy/kickstarter.ex
@@ -20,7 +20,8 @@ defmodule Servy.Kickstarter do
 
   defp start_server do
     IO.puts "Starting the HTTP server..."
-    server_pid = spawn_link(Servy.HttpServer, :start, [4000])
+    port = Application.get_env(:servy, :port)
+    server_pid = spawn_link(Servy.HttpServer, :start, [port])
     Process.register(server_pid, :http_server)
     server_pid
   end
diff --git a/mix.exs b/mix.exs
index f68d0d0..88b34c7 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,6 +4,7 @@ defmodule Servy.MixProject do
   def project do
     [
       app: :servy,
+      description: "A humble HTTP server",
       version: "0.1.0",
       elixir: "~> 1.17",
       start_permanent: Mix.env() == :prod,
@@ -14,7 +15,9 @@ defmodule Servy.MixProject do
   # Run "mix help compile.app" to learn about applications.
   def application do
     [
-      extra_applications: [:logger, :eex, :observer, :wx, :runtime_tools]
+      extra_applications: [:logger, :eex, :observer, :wx, :runtime_tools],
+      mod: {Servy, []},
+      env: [port: 3000]
     ]
   end