Update Dockerfile

Dockerfile

@@ -11,6 +11,16 @@ RUN apt-get update && apt-get install -y \
     libgeos-dev \
     && rm -rf /var/lib/apt/lists/*
 
+# Create a non-root user
+RUN useradd -m -u 1000 appuser
+
+# Create directories and set permissions
+RUN mkdir -p /app/data /app/.config/matplotlib && \
+    chown -R appuser:appuser /app
+
+# Set environment variable for matplotlib
+ENV MPLCONFIGDIR=/app/.config/matplotlib
+
 # Install Python dependencies
 RUN pip install --no-cache-dir --upgrade pip
 
@@ -50,5 +60,8 @@ ENV GRADIO_SERVER_PORT=7860
 # Expose port
 EXPOSE 7860
 
+# Switch to non-root user
+USER appuser
+
 # Set command
 CMD ["python", "app.py"]