diff --git a/app/main.py b/app/main.py
index 1d6697af..d255c451 100644
--- a/app/main.py
+++ b/app/main.py
@@ -20,10 +20,6 @@ from app.api import router as api_router
 from app.frontend import router as frontend_router
 from app.auth import router as auth_router
 
-BASE_DIR = Path(__file__).resolve().parent  # this is /app in many Docker setups
-FRONTEND_DIR = BASE_DIR / "frontend"
-
-
 
 # Load configuration from .env for the session key
 config = Config(".env")
@@ -173,7 +169,7 @@ async def ui_upload(file: UploadFile = File(...)):
 @app.exception_handler(404)
 async def custom_404_handler(request: Request, exc: HTTPException):
     return FileResponse(
-        FRONTEND_DIR / "404.html",
+        "/app/frontend/404.html",
         status_code=status.HTTP_404_NOT_FOUND
     )
 
diff --git a/frontend/404.html b/frontend/404.html
index d953dd52..c085430d 100644
--- a/frontend/404.html
+++ b/frontend/404.html
@@ -50,27 +50,44 @@
       </div>
     </footer>
 
-    <!-- JavaScript for Dynamic Auth Section -->
-    <script>
-      (async function checkAuth() {
-        try {
-          const resp = await fetch("/api/whoami");
-          if (resp.ok) {
-            const data = await resp.json();
-            document.getElementById("authSection").innerHTML = `
-              <img src="${data.picture}" alt="User Avatar" class="inline-block h-8 w-8 rounded-full mr-2">
-              Logged in as <strong>${data.email}</strong>
-              <a href="/logout" class="ml-4 text-blue-600 hover:text-blue-800">Logout</a>
-            `;
-          } else {
-            document.getElementById("authSection").innerHTML = 
-              `<a href="/login" class="text-blue-600">Login</a>`;
-          }
-        } catch (error) {
-          document.getElementById("authSection").innerHTML = 
-            `<a href="/login" class="text-blue-600">Login</a>`;
-        }
-      })();
-    </script>
+<!-- JavaScript for dynamic auth section -->
+<script>
+  (async function checkAuth() {
+    try {
+      const resp = await fetch("/api/whoami");
+      if (resp.ok) {
+        const data = await resp.json();
+        // data.picture is expected to be a Gravatar URL
+        const authSection = document.getElementById("authSection");
+        authSection.innerHTML = '';
+        
+        const img = document.createElement('img');
+        img.src = data.picture;
+        img.alt = 'User Avatar';
+        img.className = 'inline-block h-8 w-8 rounded-full mr-2';
+        
+        const textNode = document.createTextNode('Logged in as ');
+        const strong = document.createElement('strong');
+        strong.textContent = data.email;
+        
+        const logoutLink = document.createElement('a');
+        logoutLink.href = '/logout';
+        logoutLink.className = 'ml-4 text-blue-600 hover:text-blue-800';
+        logoutLink.textContent = 'Logout';
+        
+        authSection.appendChild(img);
+        authSection.appendChild(textNode);
+        authSection.appendChild(strong);
+        authSection.appendChild(logoutLink);
+      } else {
+        document.getElementById("authSection").innerHTML = 
+          `<a href="/login" class="text-blue-600">Login</a>`;
+      }
+    } catch (error) {
+      document.getElementById("authSection").innerHTML = 
+        `<a href="/login" class="text-blue-600">Login</a>`;
+    }
+  })();
+</script>
   </body>
 </html>
diff --git a/frontend/about.html b/frontend/about.html
index eb2d4658..718b8513 100644
--- a/frontend/about.html
+++ b/frontend/about.html
@@ -65,7 +65,7 @@
       <section class="bg-white shadow rounded p-6 mb-8">
         <h2 class="text-2xl font-semibold mb-2">Meet the Creator</h2>
         <p class="text-gray-600">
-          DocuNova is passionately developed by <a href="https://christianlouis.de" target="_blank" class="text-blue-600 hover:underline">Christian Krakau-Louis</a>, a visionary committed to solving real-world challenges with innovative technology. His dedication and expertise ensure that every feature in DocuNova is crafted with you in mind.
+          DocuNova is passionately developed by <a href="https://www.christianlouis.de" target="_blank" class="text-blue-600 hover:underline">Christian Krakau-Louis</a>, a visionary committed to solving real-world challenges with innovative technology. His dedication and expertise ensure that every feature in DocuNova is crafted with you in mind.
         </p>
       </section>
 
@@ -89,27 +89,44 @@
       </div>
     </footer>
 
-    <!-- JavaScript for dynamic auth section -->
-    <script>
-      (async function checkAuth() {
-        try {
-          const resp = await fetch("/api/whoami");
-          if (resp.ok) {
-            const data = await resp.json();
-            document.getElementById("authSection").innerHTML = `
-              <img src="${data.picture}" alt="User Avatar" class="inline-block h-8 w-8 rounded-full mr-2">
-              Logged in as <strong>${data.email}</strong>
-              <a href="/logout" class="ml-4 text-blue-600 hover:text-blue-800">Logout</a>
-            `;
-          } else {
-            document.getElementById("authSection").innerHTML = 
-              `<a href="/login" class="text-blue-600">Login</a>`;
-          }
-        } catch (error) {
-          document.getElementById("authSection").innerHTML = 
-            `<a href="/login" class="text-blue-600">Login</a>`;
-        }
-      })();
-    </script>
+<!-- JavaScript for dynamic auth section -->
+<script>
+  (async function checkAuth() {
+    try {
+      const resp = await fetch("/api/whoami");
+      if (resp.ok) {
+        const data = await resp.json();
+        // data.picture is expected to be a Gravatar URL
+        const authSection = document.getElementById("authSection");
+        authSection.innerHTML = '';
+        
+        const img = document.createElement('img');
+        img.src = data.picture;
+        img.alt = 'User Avatar';
+        img.className = 'inline-block h-8 w-8 rounded-full mr-2';
+        
+        const textNode = document.createTextNode('Logged in as ');
+        const strong = document.createElement('strong');
+        strong.textContent = data.email;
+        
+        const logoutLink = document.createElement('a');
+        logoutLink.href = '/logout';
+        logoutLink.className = 'ml-4 text-blue-600 hover:text-blue-800';
+        logoutLink.textContent = 'Logout';
+        
+        authSection.appendChild(img);
+        authSection.appendChild(textNode);
+        authSection.appendChild(strong);
+        authSection.appendChild(logoutLink);
+      } else {
+        document.getElementById("authSection").innerHTML = 
+          `<a href="/login" class="text-blue-600">Login</a>`;
+      }
+    } catch (error) {
+      document.getElementById("authSection").innerHTML = 
+        `<a href="/login" class="text-blue-600">Login</a>`;
+    }
+  })();
+</script>
   </body>
 </html>
diff --git a/frontend/upload.html b/frontend/upload.html
index d03e3bd0..eec9ca34 100644
--- a/frontend/upload.html
+++ b/frontend/upload.html
@@ -114,17 +114,35 @@
         }
       }
 
-      // Dynamic auth check using /api/whoami
+      <!-- JavaScript for dynamic auth section -->
+
       (async function checkAuth() {
         try {
           const resp = await fetch("/api/whoami");
           if (resp.ok) {
             const data = await resp.json();
-            document.getElementById("authSection").innerHTML = `
-              <img src="${data.picture}" alt="User Avatar" class="inline-block h-8 w-8 rounded-full mr-2">
-              Logged in as <strong>${data.email}</strong>
-              <a href="/logout" class="ml-4 text-blue-600 hover:text-blue-800">Logout</a>
-            `;
+            // data.picture is expected to be a Gravatar URL
+            const authSection = document.getElementById("authSection");
+            authSection.innerHTML = '';
+            
+            const img = document.createElement('img');
+            img.src = data.picture;
+            img.alt = 'User Avatar';
+            img.className = 'inline-block h-8 w-8 rounded-full mr-2';
+            
+            const textNode = document.createTextNode('Logged in as ');
+            const strong = document.createElement('strong');
+            strong.textContent = data.email;
+            
+            const logoutLink = document.createElement('a');
+            logoutLink.href = '/logout';
+            logoutLink.className = 'ml-4 text-blue-600 hover:text-blue-800';
+            logoutLink.textContent = 'Logout';
+            
+            authSection.appendChild(img);
+            authSection.appendChild(textNode);
+            authSection.appendChild(strong);
+            authSection.appendChild(logoutLink);
           } else {
             document.getElementById("authSection").innerHTML = 
               `<a href="/login" class="text-blue-600">Login</a>`;