Add user-agent to request logging metadata

config/config.exs

@@ -131,7 +131,7 @@ config :esbuild,
 # Configures Elixir's Logger
 config :logger, :console,
   format: "$time $metadata[$level] $message\n",
-  metadata: [:request_id, :remote_ip]
+  metadata: [:request_id, :remote_ip, :user_agent]
 
 # Use Jason for JSON parsing in Phoenix
 config :phoenix, :json_library, Jason

config/dev.exs

@@ -85,7 +85,7 @@ config :hammer,
 # The `http:` config above can be replaced with:
 #
 #     https: [
-config :logger, :console, format: "[$level] $metadata$message\n", metadata: [:remote_ip]
+config :logger, :console, format: "[$level] $metadata$message\n", metadata: [:remote_ip, :user_agent]
 
 # Initialize plugs at runtime for faster development compilation
 #       port: 4001,

lib/aprsme_web/plugs/remote_ip.ex

@@ -22,7 +22,17 @@ defmodule AprsmeWeb.Plugs.RemoteIp do
         :error -> conn
       end
 
-    Logger.metadata(remote_ip: conn.remote_ip |> :inet.ntoa() |> to_string())
+    user_agent =
+      case get_req_header(conn, "user-agent") do
+        [ua | _] -> ua
+        [] -> "-"
+      end
+
+    Logger.metadata(
+      remote_ip: conn.remote_ip |> :inet.ntoa() |> to_string(),
+      user_agent: user_agent
+    )
+
     conn
   end