Downloading libreoffice for headless doc.x to pdf conversion

Dockerfile

@@ -10,4 +10,9 @@ COPY --chown=user ./requirements.txt requirements.txt
 RUN pip install --trusted-host pypi.org --trusted-host pypi.python.org --trusted-host files.pythonhosted.org --no-cache-dir --upgrade -r requirements.txt
 
 COPY --chown=user . /app
+
+RUN apt-get update && \
+    apt-get install -y libreoffice libreoffice-writer libreoffice-calc libreoffice-impress && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
+
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]