diff --git a/backend/src/routes/__tests__/adminAuth.test.js b/backend/src/routes/__tests__/adminAuth.test.js
new file mode 100644
index 0000000..1e0934f
--- /dev/null
+++ b/backend/src/routes/__tests__/adminAuth.test.js
@@ -0,0 +1,99 @@
+const request = require('supertest');
+const express = require('express');
+
+const buildChain = ({ firstResult, updateResult } = {}) => {
+  const chain = {
+    where: jest.fn().mockReturnThis(),
+    whereNot: jest.fn().mockReturnThis(),
+    select: jest.fn().mockReturnThis(),
+    update: jest.fn().mockResolvedValue(updateResult ?? 1),
+    first: jest.fn().mockResolvedValue(firstResult),
+  };
+  return chain;
+};
+
+jest.mock('../../database/db', () => {
+  const dbMock = jest.fn();
+  dbMock.raw = jest.fn();
+  dbMock.__setImplementations = (...chains) => {
+    dbMock.mockReset();
+    chains.forEach((chain) => {
+      dbMock.mockImplementationOnce(() => chain);
+    });
+  };
+  return {
+    db: dbMock,
+    logActivity: jest.fn().mockResolvedValue(undefined),
+  };
+});
+
+jest.mock('../../middleware/auth-enhanced-v2', () => ({
+  adminAuth: (_req, _res, next) => {
+    _req.admin = { id: 1, username: 'admin' };
+    next();
+  },
+}));
+
+const { db, logActivity } = require('../../database/db');
+const adminAuthRouter = require('../adminAuth');
+
+describe('adminAuth profile updates', () => {
+  const app = express();
+  app.use(express.json());
+  app.use('/auth/admin', adminAuthRouter);
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  it('updates the admin profile', async () => {
+    const updatedUser = {
+      id: 1,
+      username: 'newadmin',
+      email: 'newadmin@example.com',
+      must_change_password: false,
+    };
+
+    db.__setImplementations(
+      buildChain({ firstResult: null }),          // email check
+      buildChain({ firstResult: null }),          // username check
+      buildChain({ updateResult: 1 }),            // update
+      buildChain({ firstResult: updatedUser }),   // fetch updated user
+    );
+
+    const response = await request(app)
+      .put('/auth/admin/profile')
+      .send({ username: updatedUser.username, email: updatedUser.email })
+      .expect(200);
+
+    expect(response.body).toEqual({ user: updatedUser });
+    expect(logActivity).toHaveBeenCalledWith(
+      'admin_profile_updated',
+      { admin_id: 1, updated_fields: ['username', 'email'] },
+      null,
+      { type: 'admin', id: 1, name: updatedUser.username }
+    );
+  });
+
+  it('rejects email conflicts', async () => {
+    db.__setImplementations(
+      buildChain({ firstResult: { id: 2 } })
+    );
+
+    const response = await request(app)
+      .put('/auth/admin/profile')
+      .send({ username: 'newadmin', email: 'taken@example.com' })
+      .expect(409);
+
+    expect(response.body).toEqual({ error: 'Email is already in use by another admin' });
+  });
+
+  it('validates input', async () => {
+    const response = await request(app)
+      .put('/auth/admin/profile')
+      .send({ username: '', email: 'not-an-email' })
+      .expect(400);
+
+    expect(response.body.errors).toBeDefined();
+  });
+});
diff --git a/backend/src/routes/__tests__/adminNotifications.test.js b/backend/src/routes/__tests__/adminNotifications.test.js
new file mode 100644
index 0000000..ae956f4
--- /dev/null
+++ b/backend/src/routes/__tests__/adminNotifications.test.js
@@ -0,0 +1,67 @@
+const request = require('supertest');
+const express = require('express');
+
+jest.mock('../../database/db', () => {
+  const deleteMock = jest.fn().mockResolvedValue(5);
+  const chain = {
+    select: jest.fn().mockReturnThis(),
+    leftJoin: jest.fn().mockReturnThis(),
+    orderBy: jest.fn().mockReturnThis(),
+    limit: jest.fn().mockReturnThis(),
+    whereNull: jest.fn().mockReturnThis(),
+    whereNotNull: jest.fn().mockReturnThis(),
+    where: jest.fn().mockReturnThis(),
+    update: jest.fn().mockReturnThis(),
+    delete: deleteMock,
+    count: jest.fn().mockReturnThis(),
+    first: jest.fn().mockResolvedValue({ count: 0 }),
+  };
+
+  const dbMock = jest.fn(() => chain);
+  dbMock.raw = jest.fn();
+  dbMock.__chain = chain;
+  dbMock.__deleteMock = deleteMock;
+  return { db: dbMock };
+});
+
+jest.mock('../../middleware/auth-enhanced-v2', () => ({
+  adminAuth: (_req, _res, next) => next(),
+}));
+
+const { db } = require('../../database/db');
+const notificationsRouter = require('../adminNotifications');
+
+describe('adminNotifications routes', () => {
+  const app = express();
+  app.use(express.json());
+  app.use('/admin/notifications', notificationsRouter);
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  it('clears all notifications', async () => {
+    db.__deleteMock.mockResolvedValueOnce(8);
+
+    const response = await request(app)
+      .delete('/admin/notifications/clear-all')
+      .expect(200);
+
+    expect(db).toHaveBeenCalledWith('activity_logs');
+    expect(db.__deleteMock).toHaveBeenCalledTimes(1);
+    expect(response.body).toEqual({
+      message: 'All notifications cleared',
+      deletedCount: 8,
+    });
+  });
+
+  it('handles database errors when clearing notifications', async () => {
+    db.__deleteMock.mockRejectedValueOnce(new Error('boom'));
+
+    const response = await request(app)
+      .delete('/admin/notifications/clear-all')
+      .expect(500);
+
+    expect(response.body).toEqual({ error: 'Failed to clear notifications' });
+  });
+});
diff --git a/backend/src/routes/adminAuth.js b/backend/src/routes/adminAuth.js
index 15813f5..eaa09e0 100644
--- a/backend/src/routes/adminAuth.js
+++ b/backend/src/routes/adminAuth.js
@@ -72,6 +72,68 @@ router.post('/change-password', [
   }
 });
 
+// Update admin profile
+router.put('/profile', [
+  adminAuth,
+  body('username').trim().notEmpty().withMessage('Username is required'),
+  body('email').trim().isEmail().withMessage('Valid email is required')
+], async (req, res) => {
+  try {
+    const errors = validationResult(req);
+    if (!errors.isEmpty()) {
+      return res.status(400).json({ errors: errors.array() });
+    }
+
+    const { username, email } = req.body;
+    const userId = req.admin.id;
+
+    // Check for email conflicts
+    const existingEmail = await db('admin_users')
+      .where('email', email)
+      .whereNot('id', userId)
+      .first();
+
+    if (existingEmail) {
+      return res.status(409).json({ error: 'Email is already in use by another admin' });
+    }
+
+    // Check username conflict (if multiple admins are supported)
+    const existingUsername = await db('admin_users')
+      .where('username', username)
+      .whereNot('id', userId)
+      .first();
+
+    if (existingUsername) {
+      return res.status(409).json({ error: 'Username is already in use by another admin' });
+    }
+
+    await db('admin_users')
+      .where('id', userId)
+      .update({
+        username,
+        email,
+        updated_at: new Date()
+      });
+
+    const updatedUser = await db('admin_users')
+      .select('id', 'username', 'email', 'must_change_password')
+      .where('id', userId)
+      .first();
+
+    await logActivity(
+      'admin_profile_updated',
+      { admin_id: userId, updated_fields: ['username', 'email'] },
+      null,
+      { type: 'admin', id: userId, name: username }
+    );
+
+    res.json({ user: updatedUser });
+  } catch (error) {
+    console.error('Admin profile update error:', error);
+    res.status(500).json({ error: 'Failed to update admin profile' });
+  }
+});
+
 // Logout
 router.post('/logout', adminAuth, async (req, res) => {
   try {
@@ -96,4 +158,4 @@ router.post('/logout', adminAuth, async (req, res) => {
   }
 });
 
-module.exports = router;
\ No newline at end of file
+module.exports = router;
diff --git a/backend/src/routes/adminNotifications.js b/backend/src/routes/adminNotifications.js
index 865117b..8cdbcb9 100644
--- a/backend/src/routes/adminNotifications.js
+++ b/backend/src/routes/adminNotifications.js
@@ -119,4 +119,18 @@ router.delete('/clear-old', adminAuth, async (req, res) => {
   }
 });
 
-module.exports = router;
\ No newline at end of file
+// Delete all notifications
+router.delete('/clear-all', adminAuth, async (req, res) => {
+  try {
+    const deletedCount = await db('activity_logs').delete();
+    res.json({
+      message: 'All notifications cleared',
+      deletedCount
+    });
+  } catch (error) {
+    console.error('Clear all notifications error:', error);
+    res.status(500).json({ error: 'Failed to clear notifications' });
+  }
+});
+
+module.exports = router;
diff --git a/backend/wait-for-db.sh b/backend/wait-for-db.sh
index 764ca01..24be434 100755
--- a/backend/wait-for-db.sh
+++ b/backend/wait-for-db.sh
@@ -3,19 +3,45 @@
 
 set -e
 
-host="$DB_HOST"
+host="${DB_HOST:-postgres}"
 port="${DB_PORT:-5432}"
 user="${DB_USER:-picpeak}"
+target_db="${DB_NAME:-picpeak}"
+default_db="${DB_CHECK_DB:-postgres}"
+
+sanitize_identifier() {
+  printf '%s' "$1" | sed "s/'/''/g"
+}
 
 echo "Waiting for PostgreSQL at $host:$port..."
 
-# Wait for PostgreSQL to be ready
-until PGPASSWORD=$DB_PASSWORD psql -h "$host" -p "$port" -U "$user" -d "${DB_NAME:-picpeak}" -c '\q' 2>/dev/null; do
+# Wait for PostgreSQL server to accept connections (using the default database)
+until PGPASSWORD="$DB_PASSWORD" psql -h "$host" -p "$port" -U "$user" -d "$default_db" -c '\q' >/dev/null 2>&1; do
   >&2 echo "PostgreSQL is unavailable - sleeping"
   sleep 2
 done
 
->&2 echo "PostgreSQL is up - executing command"
+>&2 echo "PostgreSQL is up - verifying target database \"$target_db\""
+
+# Ensure the target database exists (helps when volumes are reused or DB_NAME is customised)
+db_exists=$(PGPASSWORD="$DB_PASSWORD" psql -h "$host" -p "$port" -U "$user" -d "$default_db" -tAc "SELECT 1 FROM pg_database WHERE datname = '$(sanitize_identifier "$target_db")'" 2>/dev/null || echo 0)
+
+if [ "$db_exists" != "1" ]; then
+  >&2 echo "Database \"$target_db\" not found. Attempting to create..."
+  if ! PGPASSWORD="$DB_PASSWORD" psql -h "$host" -p "$port" -U "$user" -d "$default_db" -c "CREATE DATABASE \"$target_db\";" >/dev/null 2>&1; then
+    >&2 echo "Failed to create database \"$target_db\". Please ensure it exists and is accessible."
+    exit 1
+  fi
+  >&2 echo "Database \"$target_db\" created successfully."
+fi
+
+# Wait until the target database itself is ready to accept connections
+until PGPASSWORD="$DB_PASSWORD" psql -h "$host" -p "$port" -U "$user" -d "$target_db" -c '\q' >/dev/null 2>&1; do
+  >&2 echo "Waiting for database \"$target_db\" to accept connections..."
+  sleep 2
+done
+
+>&2 echo "Target database \"$target_db\" is ready."
 
 # Run migrations (use safe runner in production)
 echo "Running database migrations..."
@@ -26,4 +52,4 @@ else
 fi
 
 # Execute the main command
-exec "$@"
\ No newline at end of file
+exec "$@"
diff --git a/docker-compose.yml b/docker-compose.yml
index b67a585..b424fc0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -101,7 +101,7 @@ services:
       context: ./frontend
       dockerfile: Dockerfile
       args:
-        - VITE_API_URL=${VITE_API_URL:-http://localhost:3001/api}
+        - VITE_API_URL=${VITE_API_URL:-/api}
         - VITE_UMAMI_URL=${VITE_UMAMI_URL:-}
         - VITE_UMAMI_WEBSITE_ID=${VITE_UMAMI_WEBSITE_ID:-}
         - VITE_UMAMI_SHARE_URL=${VITE_UMAMI_SHARE_URL:-}
diff --git a/frontend/src/components/admin/AdminHeader.tsx b/frontend/src/components/admin/AdminHeader.tsx
index 3c62d7e..157c77d 100644
--- a/frontend/src/components/admin/AdminHeader.tsx
+++ b/frontend/src/components/admin/AdminHeader.tsx
@@ -55,12 +55,12 @@ export const AdminHeader: React.FC<AdminHeaderProps> = ({ onMenuClick }) => {
     },
   });
 
-  // Clear old notifications mutation
-  const clearOldMutation = useMutation({
-    mutationFn: notificationsService.clearOldNotifications,
+  // Clear notifications mutation
+  const clearAllMutation = useMutation({
+    mutationFn: notificationsService.clearAllNotifications,
     onSuccess: (data) => {
       queryClient.invalidateQueries({ queryKey: ['notifications'] });
-      toast.success(t('admin.notificationToasts.clearedOld', { count: data.deletedCount }));
+      toast.success(t('admin.notificationToasts.clearedAll', { count: data.deletedCount }));
     },
   });
 
@@ -128,12 +128,12 @@ export const AdminHeader: React.FC<AdminHeaderProps> = ({ onMenuClick }) => {
                         </button>
                       )}
                       <button
-                        onClick={() => clearOldMutation.mutate()}
+                        onClick={() => clearAllMutation.mutate()}
                         className="text-xs text-neutral-600 hover:text-neutral-700 flex items-center gap-1"
-                        title={t('admin.clearOld')}
+                        title={t('admin.clearAll')}
                       >
                         <Trash2 className="w-3 h-3" />
-                        {t('admin.clearOld')}
+                        {t('admin.clearAll')}
                       </button>
                     </div>
                   </div>
diff --git a/frontend/src/config/api.ts b/frontend/src/config/api.ts
index 3697c88..80e8494 100644
--- a/frontend/src/config/api.ts
+++ b/frontend/src/config/api.ts
@@ -5,6 +5,7 @@ import {
   inferGallerySlugFromLocation,
   resolveSlugFromRequestUrl,
 } from '../utils/galleryAuthStorage';
+import { getApiBaseUrl } from '../utils/url';
 
 // Maintenance mode callback
 let maintenanceModeCallback: ((enabled: boolean) => void) | null = null;
@@ -15,7 +16,7 @@ export const setMaintenanceModeCallback = (callback: (enabled: boolean) => void)
 
 // Create axios instance
 export const api = axios.create({
-  baseURL: import.meta.env.VITE_API_URL || '/api',
+  baseURL: getApiBaseUrl(),
   headers: {
     'Content-Type': 'application/json',
   },
diff --git a/frontend/src/contexts/AdminAuthContext.tsx b/frontend/src/contexts/AdminAuthContext.tsx
index dce42ea..96f0140 100644
--- a/frontend/src/contexts/AdminAuthContext.tsx
+++ b/frontend/src/contexts/AdminAuthContext.tsx
@@ -13,6 +13,7 @@ interface AdminAuthContextType {
   error: string | null;
   mustChangePassword: boolean;
   updatePasswordChanged: () => void;
+  updateProfile: (user: AdminUser) => void;
 }
 
 const AdminAuthContext = createContext<AdminAuthContextType | undefined>(undefined);
@@ -104,6 +105,11 @@ export const AdminAuthProvider: React.FC<AdminAuthProviderProps> = ({ children }
     }
   };
 
+  const updateProfile = (updatedUser: AdminUser) => {
+    setUser(updatedUser);
+    sessionStorage.setItem('admin_user', JSON.stringify(updatedUser));
+  };
+
   return (
     <AdminAuthContext.Provider
       value={{
@@ -115,6 +121,7 @@ export const AdminAuthProvider: React.FC<AdminAuthProviderProps> = ({ children }
         error,
         mustChangePassword,
         updatePasswordChanged,
+        updateProfile,
       }}
     >
       {children}
diff --git a/frontend/src/i18n/locales/de.json b/frontend/src/i18n/locales/de.json
index 4e2b9e6..02370b4 100644
--- a/frontend/src/i18n/locales/de.json
+++ b/frontend/src/i18n/locales/de.json
@@ -1080,7 +1080,7 @@
     "viewAllNotifications": "Alle Benachrichtigungen anzeigen",
     "noNotifications": "Keine neuen Benachrichtigungen",
     "markAllRead": "Alle als gelesen markieren",
-    "clearOld": "Alte löschen",
+    "clearAll": "Alle löschen",
     "close": "Schließen",
     "noNotificationsMessage": "Keine Benachrichtigungen",
     "notificationMessages": {
@@ -1113,11 +1113,13 @@
       "archiveDownloaded": "Archiv für \"{{eventName}}\" heruntergeladen",
       "archiveDeleted": "Archiv für \"{{eventName}}\" gelöscht",
       "archiveRestored": "Archiv für \"{{eventName}}\" wiederhergestellt",
-      "systemActivity": "Systemaktivität: {{type}}"
+      "systemActivity": "Systemaktivität: {{type}}",
+      "adminProfileUpdated": "Admin-Profil aktualisiert von {{actorName}}"
     },
     "notificationToasts": {
       "markedAllRead": "Alle Benachrichtigungen als gelesen markiert",
-      "clearedOld": "{{count}} alte Benachrichtigungen gelöscht"
+      "clearedAll": "{{count}} Benachrichtigungen gelöscht",
+      "profileUpdated": "Admin-Profil aktualisiert"
     },
     "viewAllNotifications": "Alle Benachrichtigungen anzeigen",
     "noNotifications": "Keine neuen Benachrichtigungen",
@@ -1125,6 +1127,16 @@
     "markAllAsRead": "Alle als gelesen markieren",
     "notificationSettings": "Benachrichtigungseinstellungen",
     "changePassword": "Passwort ändern",
+    "accountSettings": {
+      "title": "Admin-Konto",
+      "description": "Aktualisiere die Zugangsdaten für die PicPeak-Administration.",
+      "username": "Benutzername",
+      "usernamePlaceholder": "Admin",
+      "email": "E-Mail",
+      "emailPlaceholder": "admin@example.com",
+      "updateButton": "Profil aktualisieren"
+    },
+    "profileUpdateError": "Admin-Profil konnte nicht aktualisiert werden. Bitte versuche es erneut.",
     "loadingDashboard": "Dashboard wird geladen...",
     "activeEvents": "Aktive Veranstaltungen",
     "expiringSoon": "Demnächst ablaufend",
diff --git a/frontend/src/i18n/locales/en.json b/frontend/src/i18n/locales/en.json
index 0b75324..cca43f8 100644
--- a/frontend/src/i18n/locales/en.json
+++ b/frontend/src/i18n/locales/en.json
@@ -818,7 +818,7 @@
     "viewAllNotifications": "View all notifications",
     "noNotifications": "No new notifications",
     "markAllRead": "Mark all read",
-    "clearOld": "Clear old",
+    "clearAll": "Clear all",
     "close": "Close",
     "noNotificationsMessage": "No notifications",
     "notificationMessages": {
@@ -851,16 +851,28 @@
       "archiveDownloaded": "Archive downloaded for \"{{eventName}}\"",
       "archiveDeleted": "Archive deleted for \"{{eventName}}\"",
       "archiveRestored": "Archive restored for \"{{eventName}}\"",
-      "systemActivity": "System activity: {{type}}"
+      "systemActivity": "System activity: {{type}}",
+      "adminProfileUpdated": "Admin profile updated by {{actorName}}"
     },
     "notificationToasts": {
       "markedAllRead": "All notifications marked as read",
-      "clearedOld": "Cleared {{count}} old notifications"
+      "clearedAll": "Cleared {{count}} notifications",
+      "profileUpdated": "Admin profile updated"
     },
     "markAsRead": "Mark as read",
     "markAllAsRead": "Mark all as read",
     "notificationSettings": "Notification Settings",
     "changePassword": "Change Password",
+    "accountSettings": {
+      "title": "Admin account",
+      "description": "Update the credentials used to sign in to PicPeak.",
+      "username": "Username",
+      "usernamePlaceholder": "Admin",
+      "email": "Email",
+      "emailPlaceholder": "admin@example.com",
+      "updateButton": "Update profile"
+    },
+    "profileUpdateError": "Unable to update admin profile. Please try again.",
     "loadingDashboard": "Loading dashboard...",
     "activeEvents": "Active Events",
     "expiringSoon": "Expiring Soon",
diff --git a/frontend/src/pages/admin/SettingsPage.tsx b/frontend/src/pages/admin/SettingsPage.tsx
index 976515f..c8625ea 100644
--- a/frontend/src/pages/admin/SettingsPage.tsx
+++ b/frontend/src/pages/admin/SettingsPage.tsx
@@ -1,4 +1,4 @@
-import React, { useState } from 'react';
+import React, { useEffect, useState } from 'react';
 import { 
   Save, 
   Database,
@@ -19,7 +19,9 @@ import { CategoryManager } from '../../components/admin/CategoryManager';
 import { WordFilterManager } from '../../components/admin/WordFilterManager';
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
 import { settingsService } from '../../services/settings.service';
+import { authService } from '../../services/auth.service';
 import { useTranslation } from 'react-i18next';
+import { useAdminAuth } from '../../contexts';
 
 const BYTES_PER_GB = 1024 * 1024 * 1024;
 
@@ -56,6 +58,23 @@ export const SettingsPage: React.FC = () => {
   const [activeTab, setActiveTab] = useState<'general' | 'status' | 'security' | 'categories' | 'analytics' | 'moderation'>('general');
   const queryClient = useQueryClient();
   const { t, i18n } = useTranslation();
+  const { user, updateProfile: updateAuthProfile } = useAdminAuth();
+
+  const [profileForm, setProfileForm] = useState({
+    username: user?.username ?? '',
+    email: user?.email ?? '',
+  });
+  const [profileError, setProfileError] = useState<string | null>(null);
+
+  useEffect(() => {
+    if (user) {
+      setProfileForm({ username: user.username, email: user.email });
+    }
+  }, [user]);
+
+  const isProfileDirty = user
+    ? (profileForm.username !== user.username || profileForm.email !== user.email)
+    : Boolean(profileForm.username.trim() || profileForm.email.trim());
 
   // Fetch settings
   const { data: settings, isLoading } = useQuery({
@@ -78,6 +97,20 @@ export const SettingsPage: React.FC = () => {
     refetchInterval: 30000 // Refresh every 30 seconds
   });
 
+  const updateProfileMutation = useMutation({
+    mutationFn: authService.updateAdminProfile,
+    onSuccess: (updatedUser) => {
+      updateAuthProfile(updatedUser);
+      setProfileError(null);
+      toast.success(t('admin.notificationToasts.profileUpdated'));
+    },
+    onError: (error: any) => {
+      const message = error?.response?.data?.error || t('admin.profileUpdateError');
+      setProfileError(message);
+      toast.error(message);
+    },
+  });
+
   // General settings state
   const [generalSettings, setGeneralSettings] = useState({
     site_url: '',
@@ -343,6 +376,19 @@ export const SettingsPage: React.FC = () => {
     }
   });
 
+  const handleProfileSubmit = (event: React.FormEvent<HTMLFormElement>) => {
+    event.preventDefault();
+    if (!isProfileDirty || updateProfileMutation.isPending) {
+      return;
+    }
+
+    setProfileError(null);
+    updateProfileMutation.mutate({
+      username: profileForm.username.trim(),
+      email: profileForm.email.trim(),
+    });
+  };
+
   const handleSaveCapacityOverride = () => {
     if (saveCapacityOverrideMutation.isPending) {
       return;
@@ -466,6 +512,46 @@ export const SettingsPage: React.FC = () => {
       {/* General Settings Tab */}
       {activeTab === 'general' && (
         <div className="space-y-6">
+          <Card padding="md">
+            <h2 className="text-lg font-semibold text-neutral-900 mb-2">{t('admin.accountSettings.title')}</h2>
+            <p className="text-sm text-neutral-500 mb-4">{t('admin.accountSettings.description')}</p>
+            <form className="space-y-4" onSubmit={handleProfileSubmit}>
+              <div>
+                <label className="block text-sm font-medium text-neutral-700 mb-1">
+                  {t('admin.accountSettings.username')}
+                </label>
+                <Input
+                  value={profileForm.username}
+                  onChange={(e) => setProfileForm(prev => ({ ...prev, username: e.target.value }))}
+                  placeholder={t('admin.accountSettings.usernamePlaceholder')}
+                  maxLength={120}
+                />
+              </div>
+              <div>
+                <label className="block text-sm font-medium text-neutral-700 mb-1">
+                  {t('admin.accountSettings.email')}
+                </label>
+                <Input
+                  type="email"
+                  value={profileForm.email}
+                  onChange={(e) => setProfileForm(prev => ({ ...prev, email: e.target.value }))}
+                  placeholder={t('admin.accountSettings.emailPlaceholder')}
+                />
+              </div>
+              {profileError && (
+                <p className="text-sm text-red-600">{profileError}</p>
+              )}
+              <div className="flex justify-end">
+                <Button
+                  type="submit"
+                  disabled={!isProfileDirty || updateProfileMutation.isPending}
+                >
+                  {updateProfileMutation.isPending ? t('common.saving') : t('admin.accountSettings.updateButton')}
+                </Button>
+              </div>
+            </form>
+          </Card>
+
           <Card padding="md">
             <h2 className="text-lg font-semibold text-neutral-900 mb-4">{t('settings.general.siteConfiguration')}</h2>
             
diff --git a/frontend/src/services/auth.service.ts b/frontend/src/services/auth.service.ts
index 8aa1c23..1dc15a4 100644
--- a/frontend/src/services/auth.service.ts
+++ b/frontend/src/services/auth.service.ts
@@ -1,5 +1,5 @@
 import { api } from '../config/api';
-import type { LoginResponse, GalleryAuthResponse } from '../types';
+import type { LoginResponse, GalleryAuthResponse, AdminUser } from '../types';
 import { normalizeRequirePassword } from '../utils/accessControl';
 
 const normalizeGalleryResponse = (response: GalleryAuthResponse): GalleryAuthResponse => ({
@@ -61,4 +61,9 @@ export const authService = {
       // Ignore; cookie will naturally expire if removal fails
     }
   },
+
+  async updateAdminProfile(profile: { username: string; email: string }): Promise<AdminUser> {
+    const response = await api.put<{ user: AdminUser }>('/auth/admin/profile', profile);
+    return response.data.user;
+  },
 };
diff --git a/frontend/src/services/notifications.service.ts b/frontend/src/services/notifications.service.ts
index d80465c..0f352e0 100644
--- a/frontend/src/services/notifications.service.ts
+++ b/frontend/src/services/notifications.service.ts
@@ -38,9 +38,9 @@ export const notificationsService = {
     await api.put('/admin/notifications/read-all');
   },
 
-  // Clear old notifications
-  async clearOldNotifications(): Promise<{ deletedCount: number }> {
-    const response = await api.delete('/admin/notifications/clear-old');
+  // Clear all notifications
+  async clearAllNotifications(): Promise<{ deletedCount: number }> {
+    const response = await api.delete('/admin/notifications/clear-all');
     return response.data;
   },
 
@@ -133,6 +133,10 @@ export const notificationsService = {
         return t('admin.notificationMessages.generalSettingsUpdated');
       case 'security_settings_updated':
         return t('admin.notificationMessages.securitySettingsUpdated');
+      case 'admin_profile_updated':
+        return t('admin.notificationMessages.adminProfileUpdated', {
+          actorName: notification.actorName,
+        });
       case 'theme_updated':
         return t('admin.notificationMessages.themeUpdated');
       case 'archive_downloaded':
@@ -184,6 +188,8 @@ export const notificationsService = {
       case 'security_settings_updated':
       case 'theme_updated':
         return { icon: 'Settings', color: 'text-gray-600' };
+      case 'admin_profile_updated':
+        return { icon: 'User', color: 'text-primary-600' };
       case 'email_template_updated':
       case 'email_config_updated':
         return { icon: 'Mail', color: 'text-teal-600' };
@@ -209,4 +215,4 @@ export const notificationsService = {
         return { icon: 'Bell', color: 'text-gray-600' };
     }
   }
-};
\ No newline at end of file
+};
diff --git a/frontend/src/utils/__tests__/url.test.ts b/frontend/src/utils/__tests__/url.test.ts
new file mode 100644
index 0000000..8c93e66
--- /dev/null
+++ b/frontend/src/utils/__tests__/url.test.ts
@@ -0,0 +1,58 @@
+import { describe, expect, it, beforeEach, afterEach, vi } from 'vitest';
+import { getApiBaseUrl, buildResourceUrl } from '../url';
+const originalLocation = window.location;
+
+const setLocation = (origin: string) => {
+  const parsed = new URL(origin);
+  Object.defineProperty(window, 'location', {
+    value: {
+      origin: parsed.origin,
+      hostname: parsed.hostname,
+      href: parsed.href,
+    },
+    configurable: true,
+  });
+};
+
+describe('url utilities', () => {
+  beforeEach(() => {
+    vi.restoreAllMocks();
+    vi.unstubAllEnvs();
+    setLocation('https://example.com');
+  });
+
+  afterEach(() => {
+    Object.defineProperty(window, 'location', {
+      value: originalLocation,
+      configurable: true,
+    });
+  });
+
+  it('returns relative API base by default', () => {
+    vi.unstubAllEnvs();
+    expect(getApiBaseUrl()).toBe('/api');
+    expect(buildResourceUrl('/api/gallery/test')).toBe('https://example.com/api/gallery/test');
+  });
+
+  it('honours absolute API URLs for non-local hosts', () => {
+    vi.stubEnv('VITE_API_URL', 'https://api.picpeak.cloud/api');
+    expect(getApiBaseUrl()).toBe('https://api.picpeak.cloud/api');
+    expect(buildResourceUrl('/api/gallery/test')).toBe('https://api.picpeak.cloud/api/gallery/test');
+    expect(buildResourceUrl('/uploads/logo.png')).toBe('https://api.picpeak.cloud/uploads/logo.png');
+  });
+
+  it('falls back to relative when build-time URL is localhost but browser host is remote', () => {
+    vi.stubEnv('VITE_API_URL', 'http://localhost:3001/api');
+    setLocation('https://photos.example.com');
+    expect(getApiBaseUrl()).toBe('/api');
+    expect(buildResourceUrl('/api/gallery/test')).toBe('https://photos.example.com/api/gallery/test');
+    expect(buildResourceUrl('uploads/logo.png')).toBe('https://photos.example.com/uploads/logo.png');
+  });
+
+  it('keeps localhost API URL when browser is also localhost', () => {
+    vi.stubEnv('VITE_API_URL', 'http://127.0.0.1:3001/api');
+    setLocation('http://127.0.0.1:3000');
+    expect(getApiBaseUrl()).toBe('http://127.0.0.1:3001/api');
+    expect(buildResourceUrl('/api/gallery/test')).toBe('http://127.0.0.1:3001/api/gallery/test');
+  });
+});
diff --git a/frontend/src/utils/url.ts b/frontend/src/utils/url.ts
index 52af87a..5054df8 100644
--- a/frontend/src/utils/url.ts
+++ b/frontend/src/utils/url.ts
@@ -2,39 +2,126 @@
  * Utility functions for URL handling in production environments
  */
 
+const ABSOLUTE_URL_REGEX = /^https?:\/\//i;
+const LOCAL_HOSTNAMES = new Set(['localhost', '127.0.0.1', '[::1]']);
+
+const isBrowser = typeof window !== 'undefined' && typeof window.location !== 'undefined';
+
+const normalizeBase = (value: string): string => value.replace(/\/+$/, '');
+
+const getEnvApiUrl = (): string | undefined => {
+  const raw = import.meta.env?.VITE_API_URL;
+  if (!raw || raw === '') {
+    return undefined;
+  }
+  if (raw === '/') {
+    return '/api';
+  }
+  return raw;
+};
+
+const isLocalHostname = (hostname: string): boolean => LOCAL_HOSTNAMES.has(hostname.toLowerCase());
+
+const shouldFallbackToRelative = (url: string): boolean => {
+  if (!ABSOLUTE_URL_REGEX.test(url)) {
+    return false;
+  }
+
+  if (!isBrowser) {
+    return false;
+  }
+
+  try {
+    const parsed = new URL(url);
+    const envHostIsLocal = isLocalHostname(parsed.hostname);
+    const browserHost = window.location.hostname?.toLowerCase?.() ?? '';
+    const browserHostIsLocal = isLocalHostname(browserHost);
+
+    // Only fallback when the build-time URL points to localhost/loopback
+    // but the runtime browser location is remote (non-local).
+    return envHostIsLocal && !browserHostIsLocal;
+  } catch {
+    return false;
+  }
+};
+
+const buildFromOrigin = (path: string): string => {
+  if (!isBrowser) {
+    return path;
+  }
+  const normalizedPath = path.startsWith('/') ? path : `/${path}`;
+  return `${window.location.origin}${normalizedPath}`;
+};
+
 /**
- * Get the base API URL, preferring relative URLs for production
+ * Get the base API URL, preferring relative URLs for production and
+ * falling back to relative when the build was created with localhost
+ * endpoints but is being accessed from a remote browser.
  * @returns The API base URL
  */
 export const getApiBaseUrl = (): string => {
-  // If VITE_API_URL is explicitly set, use it
-  if (import.meta.env.VITE_API_URL && import.meta.env.VITE_API_URL !== '/api') {
-    return import.meta.env.VITE_API_URL;
+  const envUrl = getEnvApiUrl();
+
+  if (envUrl && envUrl !== '/api') {
+    if (ABSOLUTE_URL_REGEX.test(envUrl) && shouldFallbackToRelative(envUrl)) {
+      return '/api';
+    }
+    return envUrl;
   }
-  
-  // In production, use relative URL
+
   return '/api';
 };
 
+const buildFromAbsoluteApi = (base: string, path: string): string => {
+  const trimmedBase = normalizeBase(base);
+
+  // When the path already targets /api we want to preserve the suffix
+  if (path.startsWith('/api')) {
+    const pathWithoutLeadingApi = path.replace(/^\/api/, '');
+    return `${trimmedBase}${pathWithoutLeadingApi}`;
+  }
+
+  // For non-API assets (uploads, thumbnails, etc.) drop any /api suffix
+  const origin = trimmedBase.replace(/\/api$/, '');
+  const normalizedPath = path.startsWith('/') ? path : `/${path}`;
+  return `${origin}${normalizedPath}`;
+};
+
 /**
  * Build a full URL for resources (images, files, etc.)
- * In production, this will use the current origin
+ * In production, this will prefer the current origin unless an absolute
+ * API URL is explicitly configured and applicable.
  * @param path - The resource path
  * @returns The full URL
  */
 export const buildResourceUrl = (path: string): string => {
-  // Remove leading slash if present
-  const cleanPath = path.startsWith('/') ? path.slice(1) : path;
-  
-  // If we have an explicit API URL that's not relative, use it
-  const apiUrl = import.meta.env.VITE_API_URL;
-  if (apiUrl && apiUrl !== '/api' && apiUrl.startsWith('http')) {
-    const baseUrl = apiUrl.replace(/\/api\/?$/, ''); // Remove /api suffix if present
-    return `${baseUrl}/${cleanPath}`;
+  if (!path) {
+    return '';
   }
-  
-  // In production (relative API), use current origin
-  return `${window.location.origin}/${cleanPath}`;
+
+  // Absolute paths (http/https) should generally be respected,
+  // except when they point to localhost but we're running remotely.
+  if (ABSOLUTE_URL_REGEX.test(path)) {
+    if (!shouldFallbackToRelative(path)) {
+      return path;
+    }
+
+    try {
+      const parsed = new URL(path);
+      return buildFromOrigin(`${parsed.pathname}${parsed.search}${parsed.hash}`);
+    } catch {
+      return path;
+    }
+  }
+
+  const normalizedPath = path.startsWith('/') ? path : `/${path}`;
+  const apiBase = getApiBaseUrl();
+
+  if (ABSOLUTE_URL_REGEX.test(apiBase)) {
+    return buildFromAbsoluteApi(apiBase, normalizedPath);
+  }
+
+  return buildFromOrigin(normalizedPath);
 };
 
 /**
@@ -42,5 +129,6 @@ export const buildResourceUrl = (path: string): string => {
  * @returns True if in production mode
  */
 export const isProductionMode = (): boolean => {
-  return !import.meta.env.VITE_API_URL || import.meta.env.VITE_API_URL === '/api';
-};
\ No newline at end of file
+  const apiBase = getApiBaseUrl();
+  return !ABSOLUTE_URL_REGEX.test(apiBase);
+};
diff --git a/scripts/setup.sh b/scripts/setup.sh
index 743162a..ab19fe5 100755
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -630,7 +630,11 @@ setup_native_installation() {
             apt-get install -y build-essential python3
             ;;
         dnf|yum)
-            $PACKAGE_MANAGER groupinstall -y "Development Tools"
+            if "$PACKAGE_MANAGER" --version 2>/dev/null | grep -Ei 'dnf( |-)5' >/dev/null; then
+                $PACKAGE_MANAGER install -y @development-tools
+            else
+                $PACKAGE_MANAGER groupinstall -y "Development Tools"
+            fi
             $PACKAGE_MANAGER install -y python3
             ;;
     esac
@@ -1006,7 +1010,13 @@ print_success_message() {
         fi
       else
         echo -e "Email:    ${CYAN}$ADMIN_EMAIL${NC}"
-        echo -e "Password: ${YELLOW}(credentials file not found - rerun setup with --force-admin-password-reset or run node scripts/reset-admin-password.js manually)${NC}"
+        local reset_hint
+        if [[ "$INSTALL_METHOD" == "docker" ]]; then
+          reset_hint="docker compose exec backend node scripts/reset-admin-password.js"
+        else
+          reset_hint="cd $NATIVE_APP_DIR/app/backend && node scripts/reset-admin-password.js"
+        fi
+        echo -e "Password: ${YELLOW}(credentials file not found - rerun setup with --force-admin-password-reset or run $reset_hint)${NC}"
       fi
     echo
     echo -e "${YELLOW}⚠️  IMPORTANT: Change the admin password on first login!${NC}"