# Backend Dockerfile for Cosmo
FROM swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/python:3.12-slim

# Set working directory
WORKDIR /app

# Configure Debian mirrors (Aliyun)
RUN sed -i 's/deb.debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list.d/debian.sources && \
    sed -i 's/security.debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list.d/debian.sources

# Install system dependencies
RUN apt-get update && apt-get install -y \
    gcc \
    postgresql-client \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Configure pip to use Aliyun mirror
RUN pip config set global.index-url https://mirrors.aliyun.com/pypi/simple/ && \
    pip config set install.trusted-host mirrors.aliyun.com

# Copy requirements first for better caching
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

# Create upload directory
RUN mkdir -p /app/upload /app/logs

# Set Python path
ENV PYTHONPATH=/app

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

# Run the application
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "4"]