[flagd-ui] Improve reliability (#2565)

* [flagd-ui] Improve reliability

* mix format

Author: julianocosta89

src/flagd-ui/config/runtime.exs

@@ -60,13 +60,10 @@ if config_env() == :prod do
     check_origin: false,
     secret_key_base: secret_key_base
 
-  config :opentelemetry,
-    span_processor: :batch,
-    traces_exporter: :otlp
-
-  config :opentelemetry_exporter,
-    otlp_protocol: :http_protobuf,
-    otlp_endpoint: otel_endpoint
+  config :opentelemetry, :processors,
+    otel_batch_processor: %{
+      exporter: {:opentelemetry_exporter, %{endpoints: [otel_endpoint]}}
+    }
 
   # ## SSL Support
   #

src/flagd-ui/lib/flagd_ui/application.ex

@@ -10,6 +10,9 @@ defmodule FlagdUi.Application do
 
   @impl true
   def start(_type, _args) do
+    # Ensure inets is started before OpenTelemetry initialization
+    :ok = Application.ensure_started(:inets)
+
     children = [
       FlagdUiWeb.Telemetry,
       {DNSCluster, query: Application.get_env(:flagd_ui, :dns_cluster_query) || :ignore},

src/flagd-ui/lib/flagd_ui_web/live/advanced_editor.ex

@@ -37,7 +37,6 @@ defmodule FlagdUiWeb.AdvancedEditor do
             {Phoenix.HTML.Form.normalize_value("textarea", @content)}
           </textarea>
           <div>
-
             <button
               type="button"
               class="rounded bg-blue-500 px-8 py-4 font-medium text-white transition-colors duration-200 hover:bg-blue-600"
@@ -46,7 +45,6 @@ defmodule FlagdUiWeb.AdvancedEditor do
               Save
             </button>
             <p :if={@unsaved_changes} class="text-red-600">Unsaved changes</p>
-
           </div>
         </.form>
       </div>

src/flagd-ui/mix.exs

@@ -27,7 +27,7 @@ defmodule FlagdUi.MixProject do
   def application do
     [
       mod: {FlagdUi.Application, []},
-      extra_applications: [:logger, :runtime_tools]
+      extra_applications: [:logger, :runtime_tools, :os_mon, :inets]
     ]
   end