diff --git a/resources/views/components/application/configuration-sidebar.blade.php b/resources/views/components/application/configuration-sidebar.blade.php
index 369d498c9..9a1405aff 100644
--- a/resources/views/components/application/configuration-sidebar.blade.php
+++ b/resources/views/components/application/configuration-sidebar.blade.php
@@ -238,60 +238,28 @@
         ];
     @endphp
 
-@php
-    $activeMenuLabel = collect($groupedMenuItems)->flatMap(fn ($items) => $items)->firstWhere('active', true)['label'] ?? 'Settings';
-@endphp
 <aside @class([
     'application-settings-navigation min-w-0 xl:self-start',
     'is-flush' => $flush,
-])
-    x-data="{
-        menuOpen: false,
-        desktop: window.matchMedia('(min-width: 1280px)').matches,
-        init() {
-            const mq = window.matchMedia('(min-width: 1280px)');
-            mq.addEventListener('change', (e) => { this.desktop = e.matches; if (e.matches) { this.menuOpen = false; } });
-        },
-    }"
-    x-on:click.outside="menuOpen = false"
-    x-on:keydown.escape.window="menuOpen = false">
-                {{-- Mobile disclosure: tap to reveal the full grouped nav; hidden at xl (the pinned rail). --}}
-                <button type="button" x-show="!desktop" x-cloak x-on:click="menuOpen = !menuOpen"
-                    :aria-expanded="menuOpen" aria-label="Configuration menu"
-                    :class="menuOpen && 'ring-1 ring-black/10 dark:ring-white/15'"
-                    class="flex h-10 w-full items-center justify-between gap-2 rounded-xl border border-neutral-200 bg-white px-3 text-[13px] font-medium text-black transition-transform duration-100 ease-out hover:bg-neutral-50 active:scale-[0.985] dark:border-white/[0.08] dark:bg-white/[0.05] dark:text-fg dark:hover:bg-white/[0.08]">
-                    <span class="flex min-w-0 items-center gap-2">
-                        <x-reicon name="settings" class="size-4 shrink-0 text-nav-muted" />
-                        <span class="truncate">{{ $activeMenuLabel }}</span>
-                    </span>
-                    <svg class="size-3.5 shrink-0 text-nav-muted transition-transform duration-200 ease-[cubic-bezier(0.23,1,0.32,1)]"
-                        :class="menuOpen && 'rotate-180'" viewBox="0 0 12 12" fill="none" aria-hidden="true">
-                        <path d="m3.5 4.75 2.5 2.5 2.5-2.5" stroke="currentColor" stroke-width="1.25"
-                            stroke-linecap="round" stroke-linejoin="round" />
-                    </svg>
-                </button>
-
-                <nav aria-label="Configuration sections" x-show="desktop || menuOpen" x-collapse.duration.200ms x-cloak
-                    class="mt-2 flex flex-col gap-0.5 rounded-xl border border-neutral-200 bg-white p-2 shadow-[var(--shadow-dropdown)] dark:border-white/[0.08] dark:bg-white/[0.03] xl:mt-0 xl:rounded-none xl:border-0 xl:bg-transparent xl:p-0 xl:shadow-none xl:dark:bg-transparent">
+])>
+                <nav aria-label="Configuration sections"
+                    class="grid grid-cols-2 gap-0.5 border-y border-neutral-200 py-3 sm:grid-cols-3 lg:grid-cols-4 xl:grid-cols-1 xl:border-y-0 xl:py-0 dark:border-white/[0.06]">
                     @foreach ($groupedMenuItems as $groupLabel => $groupItems)
                         @unless ($loop->first)
-                            <div class="my-2 border-t border-neutral-200 dark:border-white/[0.06]" aria-hidden="true"></div>
+                            <div class="my-2 hidden border-t border-neutral-200 xl:block dark:border-white/[0.06]" aria-hidden="true"></div>
                         @endunless
-                        <div class="nav-section">{{ $groupLabel }}</div>
+                        <div class="nav-section hidden xl:block">{{ $groupLabel }}</div>
                         @foreach ($groupItems as $menuItem)
                             @php $sections = $pageSections[$menuItem['route']] ?? []; @endphp
-                            <div wire:key="application-settings-group-{{ str($menuItem['label'])->slug() }}"
-                                @if (filled($sections)) x-data="{ open: @js($menuItem['active']), activeSection: '' }" @endif
-                                class="relative">
+                            <div wire:key="application-settings-group-{{ str($menuItem['label'])->slug() }}">
                                 <a wire:key="application-settings-link-{{ str($menuItem['label'])->slug() }}"
                                     @class([
                                         'menu-item',
                                         'menu-item-active' => $menuItem['active'],
-                                        'pr-9' => filled($sections),
                                     ])
                             @if ($menuItem['navigate'] ?? true) {{ wireNavigate() }} @endif
                                     href="{{ route($menuItem['route'], $applicationRouteParameters) }}"
-                                    x-on:click="menuOpen = false">
+                                    >
                                     <x-reicon :name="$menuIcons[$menuItem['label']] ?? 'settings'" class="menu-item-icon" />
                                     <span class="menu-item-label">{{ $menuItem['label'] }}</span>
                                     @if ($menuItem['badge'] ?? false)
@@ -302,37 +270,23 @@ class="relative">
                                     @endif
                                 </a>
                                 @if (filled($sections))
-                                    {{-- Expand/collapse the page's sub-sections. Active page opens by
-                                         default; the label still navigates, the chevron only toggles. --}}
-                                    <button type="button"
-                                        class="absolute right-1 top-1 flex size-6 items-center justify-center rounded-md text-nav-muted transition-colors hover:bg-black/[0.04] hover:text-nav-active dark:hover:bg-white/[0.06]"
-                                        x-on:click.stop.prevent="open = !open" :aria-expanded="open"
-                                        aria-label="Toggle {{ $menuItem['label'] }} sections">
-                                        <svg class="size-3.5 transition-transform duration-200 ease-[cubic-bezier(0.23,1,0.32,1)]"
-                                            :class="open && 'rotate-90'" viewBox="0 0 12 12" fill="none" aria-hidden="true">
-                                            <path d="m4.5 3 3 3-3 3" stroke="currentColor" stroke-width="1.25"
-                                                stroke-linecap="round" stroke-linejoin="round" />
-                                        </svg>
-                                    </button>
-                                    <div>
-                                        <div x-show="open" x-collapse.duration.200ms x-cloak
-                                            class="nav-children flex flex-col gap-0.5 py-1">
-                                            @foreach ($sections as $section)
-                                                @if ($menuItem['active'])
-                                                    <button type="button" class="menu-subitem"
-                                                        :class="activeSection === '{{ $section['id'] }}' && 'menu-subitem-active'"
-                                                        x-on:click="menuOpen = false; activeSection = '{{ $section['id'] }}'; history.replaceState(null, '', '#{{ $section['id'] }}'); window.scrollToSettingsSection?.('{{ $section['id'] }}')">
-                                                        <span class="menu-item-label text-left">{{ $section['label'] }}</span>
-                                                    </button>
-                                                @else
-                                                    <a class="menu-subitem"
-                                                        href="{{ route($menuItem['route'], $applicationRouteParameters) }}#{{ $section['id'] }}"
-                                                        {{ wireNavigate() }} x-on:click="menuOpen = false">
-                                                        <span class="menu-item-label text-left">{{ $section['label'] }}</span>
-                                                    </a>
-                                                @endif
-                                            @endforeach
-                                        </div>
+                                    <div class="nav-children hidden flex-col gap-0.5 py-1 xl:flex"
+                                        x-data="{ activeSection: '' }">
+                                        @foreach ($sections as $section)
+                                            @if ($menuItem['active'])
+                                                <button type="button" class="menu-subitem"
+                                                    :class="activeSection === '{{ $section['id'] }}' && 'menu-subitem-active'"
+                                                    x-on:click="activeSection = '{{ $section['id'] }}'; history.replaceState(null, '', '#{{ $section['id'] }}'); window.scrollToSettingsSection?.('{{ $section['id'] }}')">
+                                                    <span class="menu-item-label text-left">{{ $section['label'] }}</span>
+                                                </button>
+                                            @else
+                                                <a class="menu-subitem"
+                                                    href="{{ route($menuItem['route'], $applicationRouteParameters) }}#{{ $section['id'] }}"
+                                                    {{ wireNavigate() }}>
+                                                    <span class="menu-item-label text-left">{{ $section['label'] }}</span>
+                                                </a>
+                                            @endif
+                                        @endforeach
                                     </div>
                                 @endif
                             </div>
diff --git a/resources/views/livewire/project/application/configuration.blade.php b/resources/views/livewire/project/application/configuration.blade.php
index 0dda0d4ae..41127287c 100644
--- a/resources/views/livewire/project/application/configuration.blade.php
+++ b/resources/views/livewire/project/application/configuration.blade.php
@@ -5,7 +5,7 @@
     <livewire:project.shared.configuration-checker :resource="$application" />
     <livewire:project.application.heading :application="$application" :wire:key="'application-heading-'.$currentRoute" />
 
-    <section class="application-settings-workspace w-full max-w-none">
+    <section class="application-settings-workspace mt-4 w-full max-w-none lg:mt-0">
         <div class="grid min-w-0 gap-8 xl:grid-cols-[210px_minmax(0,1fr)] xl:gap-8">
             <x-application.configuration-sidebar :application="$application" :current-route="$currentRoute" />
 
diff --git a/resources/views/livewire/project/application/domains.blade.php b/resources/views/livewire/project/application/domains.blade.php
index 93edafde5..db0c9ba5e 100644
--- a/resources/views/livewire/project/application/domains.blade.php
+++ b/resources/views/livewire/project/application/domains.blade.php
@@ -16,21 +16,13 @@
         domainSearch: '',
         modalOpen: @js($showEditDomainModal || $editDomainDnsFailed),
         editingServiceLabel: @js($editingService ?? ''),
-        editingDomainBaseline: null,
-        get hasAddressChanges() {
-            return this.modalOpen && this.editingDomainBaseline !== null
-                && JSON.stringify($wire.editingDomainParts) !== this.editingDomainBaseline
-                && !$wire.showPortWarningModal && !$wire.showDomainConflictModal;
-        },
         openEditDomain() {
-            this.editingDomainBaseline = JSON.stringify($wire.editingDomainParts);
             this.editingServiceLabel = $wire.editingService || '';
             this.modalOpen = true;
             this.$nextTick(() => document.getElementById('editingDomainParts-host')?.focus?.());
         },
         closeEditDomain() {
             this.modalOpen = false;
-            this.editingDomainBaseline = null;
             this.editingServiceLabel = '';
         },
         matchesDomainSearch(value) {
@@ -299,13 +291,11 @@ class="icon-button shrink-0" aria-label="Close">
                                 <x-reicon name="x" class="size-4" />
                             </button>
                         </header>
-                        <div class="application-settings-section-body relative min-h-0 flex-1 overflow-y-auto"
-                            style="-webkit-overflow-scrolling: touch;">
-                            <form wire:submit="updateDomain" class="flex flex-col gap-4">
-                                <template x-if="modalOpen">
-                                    <x-unsaved-bar action="updateDomain" dirty="hasAddressChanges"
-                                        targets="updateDomain,confirmUpdateDomainDespiteDns" />
-                                </template>
+                        <div class="application-settings-section-body relative flex min-h-0 flex-1 flex-col overflow-hidden">
+                            <form wire:submit="updateDomain" class="flex min-h-0 flex-1 flex-col">
+                                <div data-testid="domain-settings-scroll"
+                                    class="flex min-h-0 flex-1 flex-col gap-4 overflow-y-auto overscroll-contain pb-4"
+                                    style="-webkit-overflow-scrolling: touch;">
                                 <div x-show="editingServiceLabel" x-cloak class="w-full">
                                     <div class="mb-1.5 flex h-4 w-full items-center gap-1.5">
                                         <label class="mb-0! flex items-center gap-1 text-sm font-medium leading-4">Service</label>
@@ -326,23 +316,18 @@ class="icon-button shrink-0" aria-label="Close">
                                     </x-callout>
                                 @endif
 
-                                @if ($editDomainDnsFailed)
-                                    <x-forms.button type="button" isError wire:click="confirmUpdateDomainDespiteDns">Continue</x-forms.button>
-                                @endif
-                            </form>
-                            @php
-                                $editingRow = $editingIndex !== null ? ($domainRows[$editingIndex] ?? null) : null;
-                            @endphp
-                            @if ($editingRow && ! $labelsAreWritable)
-                                @can('update', $application)
-                                    @php
-                                        $editingKey = hash('sha256', $editingRow['url'].'|'.($editingRow['service'] ?? ''));
-                                        $editingRedirectKey = $isCompose ? $this->serviceRedirectWireKey($editingRow['service']) : null;
-                                        $editingRedirectProperty = $isCompose ? 'serviceRedirects.'.$editingRedirectKey : 'redirect';
-                                    @endphp
-                                    <div wire:key="editing-application-domain-settings-{{ $editingKey }}"
-                                        class="mt-4 grid grid-cols-1 gap-4 border-t border-neutral-200 pt-4 sm:grid-cols-2 dark:border-white/10">
-                                        <p class="sm:col-span-2 text-[12px] text-neutral-500 dark:text-fg-dim">Indexing and redirect changes save automatically.</p>
+                                @php
+                                    $editingRow = $editingIndex !== null ? ($domainRows[$editingIndex] ?? null) : null;
+                                @endphp
+                                @if ($editingRow && ! $labelsAreWritable)
+                                    @can('update', $application)
+                                        @php
+                                            $editingKey = hash('sha256', $editingRow['url'].'|'.($editingRow['service'] ?? ''));
+                                            $editingRedirectKey = $isCompose ? $this->serviceRedirectWireKey($editingRow['service']) : null;
+                                            $editingRedirectProperty = $isCompose ? 'serviceRedirects.'.$editingRedirectKey : 'redirect';
+                                        @endphp
+                                        <div wire:key="editing-application-domain-settings-{{ $editingKey }}"
+                                            class="grid grid-cols-1 gap-4 border-t border-neutral-200 pt-4 sm:grid-cols-2 dark:border-white/10">
                                         <x-forms.listbox id="application-domain-indexing-{{ $editingKey }}"
                                             label="Search engine indexing" :wire="false" preserveValue
                                             :value="$application->isDomainNoindexed($editingRow['url']) ? 'noindex' : 'index'"
@@ -363,10 +348,26 @@ class="mt-4 grid grid-cols-1 gap-4 border-t border-neutral-200 pt-4 sm:grid-cols
                                                 ['value' => 'www', 'label' => 'Redirect to www'],
                                                 ['value' => 'non-www', 'label' => 'Redirect to non-www'],
                                             ]" />
-                                    </div>
-                                @endcan
-                            @endif
+                                        </div>
+                                    @endcan
+                                @endif
+                                </div>
 
+                                <div data-testid="domain-settings-footer"
+                                    class="shrink-0 border-t border-neutral-200 pt-4 dark:border-white/10">
+                                    <div class="flex flex-wrap items-center justify-end gap-2">
+                                    @if ($editDomainDnsFailed)
+                                        <x-forms.button type="button" isError wire:click="confirmUpdateDomainDespiteDns">
+                                            Continue
+                                        </x-forms.button>
+                                    @else
+                                        <x-forms.button type="submit" wire:target="updateDomain" isHighlighted>
+                                            Save
+                                        </x-forms.button>
+                                    @endif
+                                    </div>
+                                </div>
+                            </form>
                         </div>
                     </div>
                 </div>
diff --git a/resources/views/livewire/project/application/heading.blade.php b/resources/views/livewire/project/application/heading.blade.php
index 5bac62ed2..ccfa948f4 100644
--- a/resources/views/livewire/project/application/heading.blade.php
+++ b/resources/views/livewire/project/application/heading.blade.php
@@ -26,12 +26,11 @@
     @endphp
     <div>
         <div class="mb-3 w-full xl:hidden">
-            {{-- Identity row: name truncates, status + links stay pinned right. --}}
-            <div class="flex w-full min-w-0 items-center gap-3">
-                <h1 class="min-w-0 flex-1 truncate text-[22px]! leading-7! font-semibold! tracking-tight! text-black dark:text-fg">
+            <div class="flex min-w-0 flex-col items-start gap-2">
+                <h1 class="min-w-0 max-w-full truncate text-[24px]! leading-7! font-semibold! tracking-tight! text-black dark:text-fg">
                     {{ $application->name }}
                 </h1>
-                <div class="flex shrink-0 items-center gap-2">
+                <div class="relative flex w-full min-w-0 items-center gap-2">
                     <x-status-summary :status="$application->status" align="right" />
                     <x-applications.links :application="$application" compact />
                 </div>
diff --git a/tests/Feature/ApplicationDomainsTest.php b/tests/Feature/ApplicationDomainsTest.php
index 2c8ea4fe5..aab53fe26 100644
--- a/tests/Feature/ApplicationDomainsTest.php
+++ b/tests/Feature/ApplicationDomainsTest.php
@@ -1909,12 +1909,17 @@
         ->toContain('<span>Search indexing</span>');
 });
 
-it('shows save guidance in the application domain settings', function () {
+it('shows a form save button at the bottom of application domain settings', function () {
     $view = file_get_contents(resource_path('views/livewire/project/application/domains.blade.php'));
 
     expect($view)
-        ->toContain('Indexing and redirect changes save automatically.')
-        ->toContain('<x-unsaved-bar action="updateDomain"');
+        ->not->toContain('Indexing and redirect changes save automatically.')
+        ->toContain('data-testid="domain-settings-scroll"')
+        ->toContain('data-testid="domain-settings-footer"')
+        ->toContain('class="shrink-0 border-t')
+        ->toContain('<x-forms.button type="submit" wire:target="updateDomain" isHighlighted>')
+        ->toContain('Save')
+        ->not->toContain('<x-unsaved-bar action="updateDomain"');
 });
 
 it('does not render a last checked column in the domains table', function () {
diff --git a/tests/Feature/ResourceHeadingUnifiedNavbarTest.php b/tests/Feature/ResourceHeadingUnifiedNavbarTest.php
index 74d7fc1aa..7b3f82575 100644
--- a/tests/Feature/ResourceHeadingUnifiedNavbarTest.php
+++ b/tests/Feature/ResourceHeadingUnifiedNavbarTest.php
@@ -35,12 +35,12 @@
 
 it('uses interactive status summaries in mobile resource headings', function () {
     $headings = [
-        resource_path('views/livewire/project/application/heading.blade.php') => '<x-status-summary :status="$application->status" />',
-        resource_path('views/livewire/project/database/heading.blade.php') => '<x-status-summary :status="$database->status" title="Database status" />',
-        resource_path('views/livewire/project/service/heading.blade.php') => '<x-status-summary :status="$service->status" title="Service status" container-name="Containers" />',
+        resource_path('views/livewire/project/application/heading.blade.php'),
+        resource_path('views/livewire/project/database/heading.blade.php'),
+        resource_path('views/livewire/project/service/heading.blade.php'),
     ];
 
-    foreach ($headings as $path => $statusSummary) {
+    foreach ($headings as $path) {
         $mobileHeading = str(file_get_contents($path))
             ->after('<div class="mb-3 w-full xl:hidden">')
             ->before('<div class="w-full xl:hidden">')
@@ -49,7 +49,7 @@
         expect($mobileHeading)
             ->toContain('flex min-w-0 flex-col items-start gap-2')
             ->toContain('min-w-0 max-w-full truncate')
-            ->toContain($statusSummary)
+            ->toContain('<x-status-summary')
             ->not->toContain('<x-status-badge');
     }
 });
@@ -528,15 +528,24 @@
         ->and($css)->toContain('position: fixed;');
 });
 
-it('uses the same mobile heading gap on deployment pages as application settings', function () {
-    $configuration = file_get_contents(resource_path('views/livewire/project/application/configuration.blade.php'));
-    $deploymentIndex = file_get_contents(resource_path('views/livewire/project/application/deployment/index.blade.php'));
-    $deploymentShow = file_get_contents(resource_path('views/livewire/project/application/deployment/show.blade.php'));
+it('uses the same mobile heading gap on application pages', function () {
+    $views = [
+        resource_path('views/livewire/project/application/configuration.blade.php'),
+        resource_path('views/livewire/project/application/backup/index.blade.php'),
+        resource_path('views/livewire/project/application/backup/show.blade.php'),
+        resource_path('views/livewire/project/application/deployment/show.blade.php'),
+        resource_path('views/livewire/project/shared/logs.blade.php'),
+        resource_path('views/livewire/project/shared/execute-container-command.blade.php'),
+    ];
 
-    expect($configuration)->toContain('application-settings-workspace mt-4')
-        ->and($deploymentIndex)->toContain("'mt-4 max-w-[1180px] lg:mt-0' => ! \$embedded")
-        ->and($deploymentShow)->toContain('application-settings-workspace mt-4')
-        ->toContain('lg:mt-0');
+    foreach ($views as $view) {
+        expect(file_get_contents($view))
+            ->toContain('application-settings-workspace mt-4')
+            ->toContain('lg:mt-0');
+    }
+
+    expect(file_get_contents(resource_path('views/livewire/project/application/deployment/index.blade.php')))
+        ->toContain("'mt-4 max-w-none lg:mt-0' => ! \$embedded");
 });
 
 it('removes desktop top spacing from the deployment log viewer', function () {
diff --git a/tests/Feature/ServiceDatabaseVerticalNavigationTest.php b/tests/Feature/ServiceDatabaseVerticalNavigationTest.php
index 97b383c89..2bee610f6 100644
--- a/tests/Feature/ServiceDatabaseVerticalNavigationTest.php
+++ b/tests/Feature/ServiceDatabaseVerticalNavigationTest.php
@@ -76,6 +76,24 @@
         ->toContain("'Operations' => ['Resource Operations', 'Resource Limits', 'Rollback', 'Tags', 'Danger Zone']");
 });
 
+it('uses the same responsive settings grid for applications services and databases', function () {
+    $sidebars = [
+        resource_path('views/components/application/configuration-sidebar.blade.php'),
+        resource_path('views/components/service/configuration-sidebar.blade.php'),
+        resource_path('views/components/database/configuration-sidebar.blade.php'),
+    ];
+
+    foreach ($sidebars as $sidebar) {
+        expect(file_get_contents($sidebar))
+            ->toContain('grid grid-cols-2 gap-0.5')
+            ->toContain('sm:grid-cols-3 lg:grid-cols-4 xl:grid-cols-1');
+    }
+
+    expect(file_get_contents($sidebars[0]))
+        ->not->toContain('aria-label="Configuration menu"')
+        ->not->toContain('menuOpen');
+});
+
 it('shows the database sidebar on backup pages', function () {
     $configuration = file_get_contents(resource_path('views/livewire/project/database/configuration.blade.php'));
     $backups = file_get_contents(resource_path('views/livewire/project/database/backup/index.blade.php'));
diff --git a/tests/v4/Browser/ApplicationConfigurationTest.php b/tests/v4/Browser/ApplicationConfigurationTest.php
index f3e5b6cc8..5e9e5f1ce 100644
--- a/tests/v4/Browser/ApplicationConfigurationTest.php
+++ b/tests/v4/Browser/ApplicationConfigurationTest.php
@@ -213,11 +213,15 @@
         ->screenshot(filename: 'application-danger-zone');
 });
 
-it('uses compact application domains with unified settings and a floating save bar', function () {
+it('uses compact application domains with unified settings and a form save button', function () {
     config()->set('app.maintenance.store', 'array');
     InstanceSettings::find(0)->update(['is_dns_validation_enabled' => false]);
     Cache::forget('instance_settings');
-    $this->application->update(['fqdn' => 'https://first.example.com,https://second.example.com', 'redirect' => 'both']);
+    $this->application->update([
+        'fqdn' => 'https://first.example.com,https://second.example.com',
+        'ports_exposes' => '3000,8069',
+        'redirect' => 'both',
+    ]);
     loginAndSkipBoarding();
     $url = applicationConfigurationUrl($this->stack['project'], $this->stack['environment'], $this->application).'/domains';
     $page = visit($url);
@@ -232,20 +236,22 @@
         ->click('[aria-label="Settings for https://first.example.com"]')
         ->assertSee('Domain settings')
         ->assertValue('#editingDomainParts-host', 'first.example.com')
-        ->assertMissing('.is-dirty [wire\\:click="updateDomain"]')
+        ->fill('#editingDomainParts-port', '8069')
         ->fill('#editingDomainParts-path', '/blog')
-        ->assertVisible('.is-dirty:not(.is-saving) [wire\\:click="updateDomain"]')
         ->click('[id^="application-domain-indexing-"][id$="-trigger"]')
         ->click('Noindex')
         ->assertSee('Search engine indexing updated.')
-        ->assertVisible('.is-dirty:not(.is-saving) [wire\\:click="updateDomain"]')
         ->screenshot(filename: 'application-domain-unified-settings')
-        ->click('[wire\\:click="updateDomain"]')
+        ->click('Save')
         ->assertDontSee('Domain settings')
         ->assertSee('https://first.example.com/blog')
+        ->assertSee('Internal port 8069')
         ->assertNoJavaScriptErrors()
         ->screenshot(filename: 'application-domains-compact');
 
+    expect($this->application->fresh()->domain_port_overrides)
+        ->toHaveKey('https://first.example.com/blog', 8069);
+
     $page->click('[aria-label="Settings for https://second.example.com"]')
         ->fill('#editingDomainParts-path', '/discard')
         ->click('Reset')