Update Dockerfile

Dockerfile

@@ -1,8 +1,11 @@
 FROM python:3.9-slim
 
+# Create non-root user
+RUN useradd -m streamlituser
+
 WORKDIR /app
 
-# Install system dependencies including libgl1 (fixes ImportError)
+# Install system dependencies
 RUN apt-get update && apt-get install -y \
     build-essential \
     curl \
@@ -11,16 +14,23 @@ RUN apt-get update && apt-get install -y \
     libgl1 \
     && rm -rf /var/lib/apt/lists/*
 
-# Set up writable config directories to fix PermissionError
-RUN mkdir -p /app/.streamlit /app/.config
+# Set up config dirs and set permissions
+RUN mkdir -p /app/.streamlit /app/.config /app/src && \
+    chown -R streamlituser:streamlituser /app
+
+# Set environment variables
 ENV HOME=/app
 ENV XDG_CONFIG_HOME=/app/.config
 
-COPY requirements.txt ./
-COPY src/ ./src/
+# Switch to non-root user
+USER streamlituser
+
+# Copy files after switching to the user to preserve ownership
+COPY --chown=streamlituser:streamlituser requirements.txt ./
+COPY --chown=streamlituser:streamlituser src/ ./src/
 
-# Install Python dependencies
-RUN pip3 install --no-cache-dir -r requirements.txt
+# Install dependencies
+RUN pip install --no-cache-dir -r requirements.txt
 
 EXPOSE 8501