Update Dockerfile

Dockerfile

@@ -1,17 +1,9 @@
 FROM python:3.9-slim
-
-# Set working directory
 WORKDIR /app
-RUN mkdir /.config
-# Copy the application files
+ENV MPLCONFIGDIR=/tmp/.config/matplotlib
+RUN mkdir -p $MPLCONFIGDIR
 COPY app.py /app
 COPY requirements.txt /app
-
-# Install required Python libraries
 RUN pip install --no-cache-dir -r requirements.txt
-
-# Expose the default Gradio port
 EXPOSE 7860
-
-# Run the application
 CMD ["python", "app.py"]