Update Dockerfile

Dockerfile

@@ -3,7 +3,7 @@ FROM python:3.9-slim
 WORKDIR /app
 
 # Set matplotlib config directory to a writable location
-ENV MPLCONFIGDIR=/tmp/matplotlib
+ENV MPLCONFIGDIR=/tmp
 
 # Install system dependencies
 RUN apt-get update && \
@@ -20,15 +20,13 @@ RUN apt-get update && \
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Create an empty startup script
-RUN echo "current_example = 'selector'" > startup.py
-
-# Copy application file
+# Copy application files
 COPY app.py .
 
-# Set proper permissions
+# Make sure current_app.txt exists (starts with selector)
+RUN echo "selector" > current_app.txt
+RUN chmod 777 current_app.txt
 RUN chmod 777 /app
-RUN chmod 777 /app/startup.py
 
 # Expose port for Gradio
 EXPOSE 7860