diff --git a/config/dev.exs b/config/dev.exs
index 15877c2..62a6996 100644
--- a/config/dev.exs
+++ b/config/dev.exs
@@ -21,6 +21,10 @@ config :berrypod, Berrypod.Repo,
 config :berrypod, BerrypodWeb.Endpoint,
   # Binding to loopback ipv4 address prevents access from other machines.
   # Change to `ip: {0, 0, 0, 0}` to allow access from other machines.
+  url: [
+    host: System.get_env("PHX_HOST") || "localhost",
+    port: String.to_integer(System.get_env("PORT") || "4000")
+  ],
   http: [ip: {0, 0, 0, 0}, port: String.to_integer(System.get_env("PORT") || "4000")],
   check_origin: false,
   code_reloader: true,
diff --git a/lib/berrypod/stripe/setup.ex b/lib/berrypod/stripe/setup.ex
index 811f4a8..460c247 100644
--- a/lib/berrypod/stripe/setup.ex
+++ b/lib/berrypod/stripe/setup.ex
@@ -79,12 +79,25 @@ defmodule Berrypod.Stripe.Setup do
   end
 
   @doc """
-  Returns true if the app is running on localhost (Stripe can't reach it).
+  Returns true if the app URL is unreachable from Stripe's servers
+  (localhost, loopback, or private/LAN IPs).
   """
   def localhost? do
     url = BerrypodWeb.Endpoint.url()
     uri = URI.parse(url)
-    uri.host in ["localhost", "127.0.0.1", "0.0.0.0", "::1"]
+    unreachable_host?(uri.host)
+  end
+
+  defp unreachable_host?(host) when host in ["localhost", "0.0.0.0", "::1"], do: true
+
+  defp unreachable_host?(host) do
+    case :inet.parse_address(String.to_charlist(host)) do
+      {:ok, {127, _, _, _}} -> true
+      {:ok, {10, _, _, _}} -> true
+      {:ok, {172, b, _, _}} when b >= 16 and b <= 31 -> true
+      {:ok, {192, 168, _, _}} -> true
+      _ -> false
+    end
   end
 
   defp maybe_create_webhook(api_key) do
diff --git a/lib/berrypod_web/live/setup/onboarding.ex b/lib/berrypod_web/live/setup/onboarding.ex
index 583ca3e..39ce190 100644
--- a/lib/berrypod_web/live/setup/onboarding.ex
+++ b/lib/berrypod_web/live/setup/onboarding.ex
@@ -150,12 +150,7 @@ defmodule BerrypodWeb.Setup.Onboarding do
       case Products.create_provider_connection(params) do
         {:ok, connection} ->
           Products.enqueue_sync(connection)
-
-          setup = %{
-            socket.assigns.setup
-            | provider_connected: true,
-              provider_type: type
-          }
+          setup = Setup.setup_status()
 
           {:noreply,
            socket
@@ -183,14 +178,7 @@ defmodule BerrypodWeb.Setup.Onboarding do
 
       case StripeSetup.connect(api_key) do
         {:ok, _result} ->
-          setup = %{socket.assigns.setup | stripe_connected: true}
-
-          setup =
-            if setup.admin_created and setup.provider_connected do
-              %{setup | setup_complete: true}
-            else
-              setup
-            end
+          setup = Setup.setup_status()
 
           {:noreply,
            socket