file server started in supervisor tree

lib/application.ex

@@ -7,7 +7,8 @@ defmodule PlantIdDiscordBot.Application do
   def start(_type, _args) do
     children = [
       PlantIdDiscordBot.Consumer,
-      PlantIdDiscordBot.RateLimiter
+      PlantIdDiscordBot.RateLimiter,
+      {Plug.Cowboy, scheme: :http, plug: PlantIdDiscordBot.FileServer, options: [port: @port]}
     ]
 
     opts = [strategy: :one_for_one, name: PlantIdDiscordBot.Supervisor]

lib/plantid_discord_bot.ex

@@ -7,8 +7,6 @@ defmodule PlantIdDiscordBot.Consumer do
   alias Nostrum.Api
   alias PlantIdDiscordBot.Cog
 
-  IO.inspect("Starting PlantIdDiscordBot")
-
   @global_application_commands [
     {"source", "Link to the source code for this bot, []"},
     {"invite", "Invite link for this bot, []"},
@@ -19,8 +17,6 @@ defmodule PlantIdDiscordBot.Consumer do
     {"servers", "All servers that this bot belongs to, []"},
     {"id", "ID a plant from up to 5 images, []"}
   ]
-
-  # Starts the bot
   def handle_event({:READY}) do
     # mock function depending on the environment
     Api.create_global_application_command(@global_application_commands)
@@ -30,7 +26,6 @@ defmodule PlantIdDiscordBot.Consumer do
     Api.create_guild_application_command(1_002_507_312_159_797_318, @global_application_commands)
   end
 
-  # Handle application commands
   def handle_event({:INTERACTION_CREATE, %{data: %{name: command}} = interaction, _ws_state}) do
     case command do
       "source" -> Cog.Info.source(interaction)

lib/plantid_discord_bot/cogs/plantnet.ex

@@ -8,9 +8,7 @@ defmodule PlantIdDiscordBot.Cog.PlantNet do
   ID a plant from up to 5 images of organs.
   """
   def id(interaction) do
-    guild_id = interaction.guild_id
-
-    case RateLimiter.check_limit(guild_id) do
+    case RateLimiter.check_limit(interaction.guild_id) do
       {:limit_exceeded, value} ->
         @api.create_interaction_response(interaction, %{
           type: 4,

lib/plantid_discord_bot/file_server.ex

@@ -0,0 +1,12 @@
+defmodule PlantIdDiscordBot.FileServer do
+  use Plug.Builder
+
+  plug(Plug.Logger)
+
+  plug(Plug.Static,
+    at: "/public",
+    from: "/priv/static"
+  )
+
+  plug(PlantIdDiscordBot.FileServer.Router)
+end

lib/plantid_discord_bot/file_server/router.ex

@@ -0,0 +1,15 @@
+defmodule PlantIdDiscordBot.FileServer.Router do
+  use Plug.Router
+
+  plug(:match)
+  plug(:dispatch)
+
+  def init(options), do: options
+
+  get "/health" do
+    conn
+    |> send_resp(200, "OK")
+  end
+
+  match(_, do: conn |> send_resp(404, "Not Found"))
+end