Update Dockerfile

Dockerfile

@@ -1,15 +1,20 @@
 # Dockerfile
 FROM python:3.10-slim
 
-# Install LibreOffice and other dependencies for docx to pdf conversion
-# LibreOffice is a common dependency for robust file conversion on Linux
+# Install LibreOffice, unoconv, and other dependencies required for file conversion
+# unoconv is a reliable command-line utility for conversion on Linux
 RUN apt-get update && \
-    apt-get install -y libreoffice pandoc && \
+    apt-get install -y \
+        libreoffice \
+        unoconv \
+        python3-uno \
+        && \
     rm -rf /var/lib/apt/lists/*
 
 # Install Python dependencies from requirements.txt
 COPY requirements.txt /app/
 WORKDIR /app
+# We remove docx2pdf as it caused the error and is no longer needed
 RUN pip install --no-cache-dir -r requirements.txt
 
 # Copy the application code