# Read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
# you will also find guides on how best to write your Dockerfile

FROM python:3.11

# Set DEBIAN_FRONTEND to noninteractive to avoid prompts during apt-get install
ENV DEBIAN_FRONTEND=noninteractive

# --- System Package Installation (as root) ---
# Copy the packages list first
COPY ./packages.txt /app/packages.txt

# Update apt lists, install packages from packages.txt, and clean up in one layer
# Ensure packages.txt exists and has content, otherwise apt-get might fail.
# Handle potential errors if packages.txt is empty or doesn't exist.
RUN apt-get update && \
    # Check if packages.txt exists and is not empty before trying to install
    if [ -s /app/packages.txt ]; then \
        apt-get install -y --no-install-recommends $(cat /app/packages.txt | grep -v '^#' | grep -v '^\s*$'); \
    else \
        echo "packages.txt not found or is empty, skipping system package installation."; \
    fi && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

# --- User Setup ---
# Create a non-root user and switch to it
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"
WORKDIR /app

# --- Python Package Installation (as user) ---
# Copy only requirements.txt first to leverage Docker cache
COPY --chown=user ./requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# --- Application Code ---
# Copy the rest of the application code
COPY --chown=user . /app

# --- Run Command ---
# Expose the port the app runs on (optional but good practice)
EXPOSE 7860
# Start the application
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]