Update Dockerfile

Dockerfile

@@ -1,8 +1,7 @@
 FROM python:3.10-slim
 
-ENV PYTHONDONTWRITEBYTECODE 1
-ENV PYTHONUNBUFFERED 1
-
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
 WORKDIR /app
 
 COPY requirements.txt /app/
@@ -10,10 +9,11 @@ RUN pip install --upgrade pip && pip install -r requirements.txt
 
 COPY . /app
 
-# Fix Streamlit and Matplotlib permission issues
+# Fix Streamlit + Matplotlib config errors in Hugging Face
 ENV STREAMLIT_CONFIG_DIR=/app/.streamlit
+ENV STREAMLIT_STATIC_DIR=/app/static
 ENV MPLCONFIGDIR=/app/.config/matplotlib
-RUN mkdir -p /app/.streamlit /app/.config/matplotlib
+RUN mkdir -p /app/.streamlit /app/static /app/.config/matplotlib
 
 EXPOSE 7860