Update Dockerfile

Dockerfile

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