Update Dockerfile

Dockerfile

@@ -16,5 +16,11 @@ RUN pip install chainlit
 # Make port 8000 available to the world outside this container
 EXPOSE 8000
 
+# Define environment variable for files directory
+ENV FILES_DIRECTORY=/app/files
+
+# Create the files directory
+RUN mkdir -p /app/files
+
 # Run Chainlit app
 CMD ["chainlit", "run", "app.py", "-w", "--port", "8000"]