Update Dockerfile

Dockerfile

@@ -1,31 +1,25 @@
-# ─────────────────────────────────────────────────────────────
-#  BizIntel AI Ultra  •  Hugging Face Space (Docker + Streamlit)
-# ─────────────────────────────────────────────────────────────
-
 FROM python:3.10-slim
 
-# Basic Python settings
 ENV PYTHONDONTWRITEBYTECODE=1
 ENV PYTHONUNBUFFERED=1
 
-# Create app directory & make it the working dir
 WORKDIR /app
 ENV HOME=/app         
 
-# Install Python dependencies
+# Install deps
 COPY requirements.txt /app/
 RUN pip install --upgrade pip && pip install -r requirements.txt
 
-# Copy the rest of the source code
+# Copy code
 COPY . /app
 
-# Fix Streamlit & Matplotlib permission issues
+# Streamlit / Matplotlib writable dirs
 ENV STREAMLIT_CONFIG_DIR=/app/.streamlit
 ENV MPLCONFIGDIR=/app/.config/matplotlib
 ENV STREAMLIT_BROWSER_GATHERUSAGESTATS=false
 
-RUN mkdir -p /app/.streamlit /app/.config/matplotlib
+RUN mkdir -p /app/.streamlit /app/.config/matplotlib \
+ && chmod -R 777 /app/.streamlit /app/.config/matplotlib
 
-# Expose Hugging Face default port and launch app
 EXPOSE 7860
 CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"]