Update Dockerfile

Dockerfile

@@ -29,7 +29,7 @@ RUN git clone https://github.com/abubasith456/Ai-Knowledgebase.git \
 
 # Upgrade pip and install Python dependencies
 RUN pip install --upgrade pip
-RUN if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+RUN pip install -r requirements.txt
 
 # Expose port (adjust if your app uses a different port)
 EXPOSE 8000