Update Dockerfile

Dockerfile

@@ -1,6 +1,11 @@
 # Use a Python base image (adjust version as needed, 3.9 is fine as per your logs)
 FROM python:3.9-slim
 
+# Set environment variables for cache directories to a writable location
+# This resolves PermissionError for /.cache (Hugging Face) and /.config (Matplotlib)
+ENV HF_HOME="/tmp/hf_cache"
+ENV MPLCONFIGDIR="/tmp/matplotlib"
+
 # Set the working directory in the container
 WORKDIR /app
 
@@ -20,8 +25,14 @@ RUN apt-get update && apt-get install -y \
 COPY requirements.txt ./
 RUN pip3 install --no-cache-dir -r requirements.txt
 
+# Create the /tmp/hf_cache and /tmp/matplotlib directories if they don't exist
+# and ensure they are writable by the default user.
+# The ENV variables above will direct the libraries to use these paths,
+# but it's good practice to ensure the directories exist and have correct permissions.
+RUN mkdir -p /tmp/hf_cache /tmp/matplotlib && chmod -R 777 /tmp/hf_cache /tmp/matplotlib
+
 # Copy the Streamlit configuration directory
-# This is crucial for resolving the PermissionError
+# This is crucial for resolving the PermissionError for Streamlit's own config
 COPY .streamlit/ .streamlit/
 
 # Copy your application source code