FROM python:3.11-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# Set work directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install \
    gcc \
    postgresql-client \
    -y --no-install-recommends && \
    rm -rf /var/lib/apt/lists/*

# Install Python dependencies (use Tsinghua mirror for faster download in China)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple --trusted-host pypi.tuna.tsinghua.edu.cn

# Copy project
COPY . .

# Collect static files
RUN python manage.py collectstatic --noinput --settings=config.settings.prod

# Expose port
EXPOSE 8000

# Run gunicorn
CMD ["gunicorn", "config.wsgi:application", "--bind", "0.0.0.0:8000", "--workers", "3"]