healthcheck improvements

lib/elixir_ai_web/controllers/health_controller.ex

@@ -1,7 +0,0 @@
-defmodule ElixirAiWeb.HealthController do
-  use ElixirAiWeb, :controller
-
-  def index(conn, _params) do
-    json(conn, %{status: "ok"})
-  end
-end

lib/elixir_ai_web/endpoint.ex

@@ -1,6 +1,9 @@
 defmodule ElixirAiWeb.Endpoint do
   use Phoenix.Endpoint, otp_app: :elixir_ai
 
+  # Health check plug - runs before everything else to avoid logging and unnecessary processing
+  plug ElixirAiWeb.Plugs.HealthCheck
+
   # The session will be stored in the cookie and signed,
   # this means its contents can be read but not tampered with.
   # Set :encryption_salt if you would also like to encrypt it.

lib/elixir_ai_web/plugs/health_check.ex

@@ -0,0 +1,17 @@
+defmodule ElixirAiWeb.Plugs.HealthCheck do
+  @moduledoc """
+  A lightweight health check plug that responds before hitting the router.
+  This avoids unnecessary processing and logging for health check requests.
+  """
+  import Plug.Conn
+
+  def init(opts), do: opts
+
+  def call(%Plug.Conn{request_path: "/health"} = conn, _opts) do
+    conn
+    |> send_resp(200, ~s({"status":"ok"}))
+    |> halt()
+  end
+
+  def call(conn, _opts), do: conn
+end

lib/elixir_ai_web/router.ex

@@ -14,12 +14,6 @@ defmodule ElixirAiWeb.Router do
     plug :accepts, ["json"]
   end
 
-  scope "/", ElixirAiWeb, log: false do
-    pipe_through :api
-
-    get "/health", HealthController, :index
-  end
-
   scope "/", ElixirAiWeb do
     pipe_through :browser