diff --git a/Dockerfile.dev b/Dockerfile.dev
index 89c2b6a8..7f168f4a 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -24,7 +24,7 @@ ENV TEMP_DIRECTORY=/tmp/presenton
 ENV PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium
 
 # Install ollama
-RUN curl -fsSL http://ollama.com/install.sh | sh
+# RUN curl -fsSL http://ollama.com/install.sh | sh
 
 # Install dependencies for FastAPI
 RUN pip install aiohttp aiomysql aiosqlite asyncpg fastapi[standard] \
diff --git a/servers/nextjs/app/(presentation-generator)/presentation/components/Header.tsx b/servers/nextjs/app/(presentation-generator)/presentation/components/Header.tsx
index 591f5493..fc11296c 100644
--- a/servers/nextjs/app/(presentation-generator)/presentation/components/Header.tsx
+++ b/servers/nextjs/app/(presentation-generator)/presentation/components/Header.tsx
@@ -4,9 +4,9 @@ import {
   SquareArrowOutUpRight,
   Play,
   Loader2,
-  Redo2 ,
+  Redo2,
   Undo2,
-  RefreshCcw,
+
 } from "lucide-react";
 import React, { useState } from "react";
 import Wrapper from "@/components/Wrapper";
@@ -73,8 +73,6 @@ const Header = ({
       // Save the presentation data before exporting
       trackEvent(MixpanelEvent.Header_UpdatePresentationContent_API_Call);
       await PresentationGenerationApi.updatePresentationContent(presentationData);
-
-
       trackEvent(MixpanelEvent.Header_GetPptxModel_API_Call);
       const pptx_model = await get_presentation_pptx_model(presentation_id);
       if (!pptx_model) {
@@ -188,28 +186,28 @@ const Header = ({
     <div className="flex flex-col lg:flex-row items-center gap-4">
       {/* undo redo */}
       <button onClick={handleReGenerate} disabled={isStreaming || !presentationData} className="text-white  disabled:opacity-50" >
-      
+
         Re-Generate
       </button>
       <div className="flex items-center gap-2 ">
         <ToolTip content="Undo">
-        <button disabled={!canUndo} className="text-white disabled:opacity-50" onClick={() => {
-          onUndo();
-        }}>
+          <button disabled={!canUndo} className="text-white disabled:opacity-50" onClick={() => {
+            onUndo();
+          }}>
 
-          <Undo2 className="w-6 h-6 " />
-          
-        </button>
-          </ToolTip>
-          <ToolTip content="Redo">
+            <Undo2 className="w-6 h-6 " />
 
-        <button disabled={!canRedo} className="text-white disabled:opacity-50" onClick={() => {
-          onRedo();
-        }}>
-          <Redo2 className="w-6 h-6 " />
-         
-        </button>
-          </ToolTip>
+          </button>
+        </ToolTip>
+        <ToolTip content="Redo">
+
+          <button disabled={!canRedo} className="text-white disabled:opacity-50" onClick={() => {
+            onRedo();
+          }}>
+            <Redo2 className="w-6 h-6 " />
+
+          </button>
+        </ToolTip>
 
       </div>
 
diff --git a/servers/nextjs/app/api/export-as-pdf/route.ts b/servers/nextjs/app/api/export-as-pdf/route.ts
index 99111a4b..8ea9023a 100644
--- a/servers/nextjs/app/api/export-as-pdf/route.ts
+++ b/servers/nextjs/app/api/export-as-pdf/route.ts
@@ -81,8 +81,15 @@ export async function POST(req: NextRequest) {
   browser.close();
 
   const sanitizedTitle = sanitizeFilename(title ?? "presentation");
+  const appDataDirectory = process.env.APP_DATA_DIRECTORY!;
+  if (!appDataDirectory) {
+    return NextResponse.json({
+      error: "App data directory not found",
+      status: 500,
+    });
+  }
   const destinationPath = path.join(
-    process.env.APP_DATA_DIRECTORY!,
+    appDataDirectory,
     "exports",
     `${sanitizedTitle}.pdf`
   );
diff --git a/servers/nextjs/app/api/upload-image/route.ts b/servers/nextjs/app/api/upload-image/route.ts
index b66b3fc4..5bcafdab 100644
--- a/servers/nextjs/app/api/upload-image/route.ts
+++ b/servers/nextjs/app/api/upload-image/route.ts
@@ -21,10 +21,16 @@ export async function POST(request: NextRequest) {
     const bytes = await file.arrayBuffer();
     const buffer = Buffer.from(bytes);
 
+    if (!userDataDir) {
+      return NextResponse.json(
+        { error: "User data directory not found" },
+        { status: 500 }
+      );
+    }
     // Create uploads directory if it doesn't exist
     const uploadsDir = path.join(userDataDir, "uploads");
     fs.mkdirSync(uploadsDir, { recursive: true });
- 
+
 
     // Generate unique filename
     const filename = `${crypto.randomBytes(16).toString("hex")}.png`;
diff --git a/servers/nextjs/app/api/user-config/route.ts b/servers/nextjs/app/api/user-config/route.ts
index 03b801e3..1939175e 100644
--- a/servers/nextjs/app/api/user-config/route.ts
+++ b/servers/nextjs/app/api/user-config/route.ts
@@ -4,11 +4,18 @@ import { LLMConfig } from "@/types/llm_config";
 
 const userConfigPath = process.env.USER_CONFIG_PATH!;
 const canChangeKeys = process.env.CAN_CHANGE_KEYS !== "false";
-console.log("UserConfigPath:", userConfigPath);
+
 export async function GET() {
   if (!canChangeKeys) {
     return NextResponse.json({
       error: "You are not allowed to access this resource",
+      status: 403,
+    });
+  }
+  if (!userConfigPath) {
+    return NextResponse.json({
+      error: "User config path not found",
+      status: 500,
     });
   }