# 9 docker changes

Dockerfile

@@ -1,6 +1,13 @@
 # Base image
 FROM python:3.9
 
+# Set environment variables to avoid permission issues
+ENV MPLCONFIGDIR=/tmp/matplotlib_cache
+ENV FONTCONFIG_PATH=/tmp/fontconfig
+
+# Create directories and ensure writable permission
+RUN mkdir -p /tmp/matplotlib_cache /tmp/fontconfig && chmod -R 777 /tmp/matplotlib_cache /tmp/fontconfig
+
 # Set the working directory inside the container
 WORKDIR /code