logs

lib/elixir_ai/application.ex

@@ -4,6 +4,14 @@ defmodule ElixirAi.Application do
 
   @impl true
   def start(_type, _args) do
+    # Attach telemetry handler to filter health check logs
+    :telemetry.attach(
+      "filter-health-logs",
+      [:phoenix, :endpoint, :stop],
+      &filter_health_logs/4,
+      nil
+    )
+
     children = [
       ElixirAiWeb.Telemetry,
       ElixirAi.Repo,
@@ -39,4 +47,14 @@ defmodule ElixirAi.Application do
     ElixirAiWeb.Endpoint.config_change(changed, removed)
     :ok
   end
+
+  # Filter health check requests from telemetry logs
+  defp filter_health_logs(_event, _measurements, %{conn: %{request_path: "/health"}}, _config) do
+    :ok
+  end
+
+  defp filter_health_logs(event, measurements, metadata, config) do
+    # Forward to default Phoenix logger
+    :telemetry.execute(event, measurements, metadata)
+  end
 end

lib/elixir_ai_web/endpoint.ex

@@ -38,9 +38,6 @@ defmodule ElixirAiWeb.Endpoint do
     cookie_key: "request_logger"
 
   plug Plug.RequestId
-
-  plug Plug.Logger, log: :info, filter: &ElixirAiWeb.Endpoint.filter_health_check/1
-
   plug Plug.Telemetry, event_prefix: [:phoenix, :endpoint]
 
   plug Plug.Parsers,
@@ -52,8 +49,4 @@ defmodule ElixirAiWeb.Endpoint do
   plug Plug.Head
   plug Plug.Session, @session_options
   plug ElixirAiWeb.Router
-
-  # Filter health check requests from logs
-  def filter_health_check(%{request_path: "/health"}), do: false
-  def filter_health_check(_), do: :info
 end

lib/elixir_ai_web/health_check_filter.ex

@@ -0,0 +1,15 @@
+defmodule ElixirAiWeb.HealthCheckFilter do
+  @moduledoc """
+  Logger filter to suppress health check endpoint logs.
+  """
+
+  def filter(%{meta: meta}, _config) when is_map(meta) do
+    if Map.get(meta, :health_check) == true do
+      :stop
+    else
+      :ignore
+    end
+  end
+
+  def filter(_log_event, _config), do: :ignore
+end

lib/elixir_ai_web/plugs/health_check_logger.ex

@@ -0,0 +1,19 @@
+defmodule ElixirAiWeb.Plugs.HealthCheckLogger do
+  @moduledoc """
+  Plug that marks health check requests for filtering.
+  """
+  @behaviour Plug
+  require Logger
+
+  @impl true
+  def init(opts), do: opts
+
+  @impl true
+  def call(%Plug.Conn{path_info: ["health"]} = conn, _opts) do
+    # Mark this as a health check for logger filtering
+    Logger.metadata(health_check: true)
+    conn
+  end
+
+  def call(conn, _opts), do: conn
+end

mix.exs

@@ -58,7 +58,8 @@ defmodule ElixirAi.MixProject do
       {:bandit, "~> 1.5"},
       {:ecto_sql, "~> 3.11"},
       {:postgrex, ">= 0.0.0"},
-      {:horde, "~> 0.9"}
+      {:horde, "~> 0.9"},
+      {:credo, "~> 1.7", only: [:dev, :test], runtime: false}
     ]
   end