FROM python:3.12.3

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

WORKDIR /app

# Copy and install Debian dependencies from packages.txt
COPY --chown=user ./packages.txt packages.txt
USER root
RUN apt-get update && xargs -a packages.txt apt-get install -y --no-install-recommends && rm -rf /var/lib/apt/lists/*
USER user

# Copy and install Python dependencies
COPY --chown=user ./requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Copy application code
COPY --chown=user . /app

# Run the application
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]