Update Dockerfile

Dockerfile

@@ -9,11 +9,26 @@ RUN apt-get update && apt-get install -y \
     git \
     && rm -rf /var/lib/apt/lists/*
 
+# Create a non-root user
+RUN useradd -m -u 1000 streamlit
+
 COPY requirements.txt ./
 COPY . ./
 
 RUN pip3 install -r requirements.txt
 
+# Set permissions for the entire app directory
+RUN chown -R streamlit:streamlit /app
+
+# Switch to non-root user
+USER streamlit
+
+# Set environment variables
+ENV STREAMLIT_HOME=/app/.streamlit
+ENV STREAMLIT_SERVER_HEADLESS=true
+ENV STREAMLIT_SERVER_ENABLE_CORS=false
+ENV STREAMLIT_SERVER_ENABLE_XSRF_PROTECTION=false
+
 EXPOSE 8501
 
 HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health