add basics of cowboy

config/config.exs

@@ -1,30 +1,4 @@
-# This file is responsible for configuring your application
-# and its dependencies with the aid of the Mix.Config module.
 use Mix.Config
 
-# This configuration is loaded before any dependency and is restricted
-# to this project. If another project depends on this project, this
-# file won't be loaded nor affect the parent project. For this reason,
-# if you want to provide default values for your application for
-# 3rd-party users, it should be done in your "mix.exs" file.
-
-# You can configure your application as:
-#
-#     config :elstat, key: :value
-#
-# and access this configuration in your application as:
-#
-#     Application.get_env(:elstat, :key)
-#
-# You can also configure a 3rd-party app:
-#
-#     config :logger, level: :info
-#
-
-# It is also possible to import configuration files, relative to this
-# directory. For example, you can emulate configuration per environment
-# by uncommenting the line below and defining dev.exs, test.exs and such.
-# Configuration from the imported file will override the ones defined
-# here (which is why it is important to import them last).
-#
-#     import_config "#{Mix.env}.exs"
+config :elstat,
+  port: 8069

lib/cowboy.ex

@@ -0,0 +1,38 @@
+defmodule Elstat.Cowboy.DefaultHandler do
+  def init(req0, state) do
+
+    # TODO: find a way to send a html file
+    # instead of hewwo owo
+    req = :cowboy_req.reply(200,
+      %{"content-type" => "text/plain"},
+      "hewwo",
+      req0
+    )
+
+    {:ok, req, state}
+  end
+end
+
+
+defmodule Elstat.Cowboy do
+  def start_link do
+    dispatch_config = build_dispatch_config()
+
+    port = Application.fetch_env!(:elstat, :port)
+    
+    {:ok, _} = :cowboy.start_clear(
+      :elstat,
+      [{:port, port}],
+      %{env: %{dispatch: dispatch_config}}
+    )
+  end
+
+  def build_dispatch_config do
+    :cowboy_router.compile([
+      {:_, [
+          {"/", Elstat.Cowboy.DefaultHandler, []},
+          {"/api", Elstat.Cowboy.APIHandler, []},
+        ]}
+    ])
+  end
+end

lib/elstat.ex

@@ -1,18 +1,15 @@
 defmodule Elstat do
-  @moduledoc """
-  Documentation for Elstat.
-  """
+  use Application
 
-  @doc """
-  Hello world.
+  require Logger
 
-  ## Examples
-
-      iex> Elstat.hello
-      :world
-
-  """
-  def hello do
-    :world
+  def start(_type, _args) do
+    Logger.info "starting app"
+    Supervisor.start_link(
+      [
+        Elstat.Supervisor
+      ],
+      strategy: :one_for_one
+    )
   end
 end

lib/supervisor.ex

@@ -0,0 +1,22 @@
+defmodule Elstat.Supervisor do
+  use Supervisor
+  require Logger
+
+  def start_link(opts) do
+    Supervisor.start_link(__MODULE__, :ok, opts)
+  end
+
+  def init(:ok) do
+    Logger.info "starting sup"
+ 
+    children = [
+      %{
+        id: Elstat.Cowboy,
+        start: {Elstat.Cowboy, :start_link, []},
+      }
+    ]
+
+    Supervisor.init(children, strategy: :one_for_one)
+  end
+ 
+end

mix.exs

@@ -14,6 +14,7 @@ defmodule Elstat.MixProject do
   # Run "mix help compile.app" to learn about applications.
   def application do
     [
+      mod: {Elstat, []},
       extra_applications: [:logger]
     ]
   end