Update Dockerfile

Dockerfile

@@ -7,12 +7,6 @@ ENV HOME=/home/user \
     PATH=/home/user/.local/bin:$PATH
 WORKDIR /home/user/app
 
-# Install nginx for reverse proxy (7860 external → 8000 internal)
-RUN apt-get update && apt-get install -y --no-install-recommends nginx ca-certificates curl && rm -rf /var/lib/apt/lists/*
-
-# Remove default nginx site config and add our own
-RUN rm -f /etc/nginx/sites-enabled/default
-COPY --chown=user nginx.conf /etc/nginx/nginx.conf
 
 # Prepare app directories
 RUN mkdir -p /home/user/app/chroma_db /home/user/app/backups \