Update Dockerfile

Dockerfile

@@ -5,6 +5,14 @@ RUN apt-get update && apt-get install -y gcc  ghostscript pdftohtml imagemagick
 
 COPY requirements.txt .
 
+# Set environment variables for Matplotlib and Fontconfig
+ENV MPLCONFIGDIR=/tmp/matplotlib_config
+ENV XDG_CACHE_HOME=/tmp/cache
+
+# Create writable directories
+RUN mkdir -p /tmp/matplotlib_config /tmp/cache/fontconfig && \
+    chmod -R 777 /tmp/matplotlib_config /tmp/cache
+
 RUN pip install --upgrade pip
 
 RUN pip install --no-cache-dir -r requirements.txt --upgrade