FROM python:3.10-slim

# Install system dependencies
# build-essential is needed for some ML package wheels
# redis-server is needed for the local Semantic Caching layer
RUN apt-get update && apt-get install -y \
    build-essential \
    redis-server \
    && rm -rf /var/lib/apt/lists/*

# Set up a new user named "user" with user ID 1000 (Mandatory for Hugging Face Spaces)
RUN useradd -m -u 1000 user

# Switch to the "user" user
USER user

# Set home to the user's home directory
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

WORKDIR $HOME/app

# Copy the current directory contents into the container
COPY --chown=user . $HOME/app

# Install pip and the LLMOpt package with all ML dependencies
RUN pip install --no-cache-dir --upgrade pip
RUN pip install --no-cache-dir -e ".[ml]"

# Make the start script executable
RUN chmod +x $HOME/app/start.sh

# Expose the standard Hugging Face port
EXPOSE 7860

# Run the unified start script
CMD ["./start.sh"]