tuning ui and adding adaptive themeing to extension

Dockerfile

@@ -16,6 +16,7 @@ WORKDIR /app
 RUN apt-get update && apt-get install -y --no-install-recommends \
     gcc \
     libpq-dev \
+    gosu \
     && rm -rf /var/lib/apt/lists/*
 
 # Install Python dependencies
@@ -28,14 +29,18 @@ COPY backend/ .
 # Copy built frontend from Stage 1
 COPY --from=frontend-build /frontend/dist /app/static
 
+# Copy and set up entrypoint script
+COPY docker-entrypoint.sh /usr/local/bin/
+RUN chmod +x /usr/local/bin/docker-entrypoint.sh
+
 # Create data directories
 RUN mkdir -p /data/downloads /data/config /data/cookies
 
-# Run as non-root user
+# Create non-root user (entrypoint will switch to this user after fixing permissions)
 RUN useradd -m -u 1000 appuser && \
     chown -R appuser:appuser /app /data
-USER appuser
 
 EXPOSE 8080
 
+ENTRYPOINT ["docker-entrypoint.sh"]
 CMD ["hypercorn", "app.main:app", "--bind", "0.0.0.0:8080"]