FROM python:3.11-slim

WORKDIR /app

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

# Install Python dependencies
COPY requirements.txt /app/server/requirements.txt
RUN pip install --no-cache-dir -r /app/server/requirements.txt

# Copy the self-contained server package
COPY . /app/server

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV HOST=0.0.0.0
ENV PORT=8000
ENV WORKERS=1
ENV MAX_CONCURRENT_ENVS=16

# Health check
HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
    CMD curl -f http://localhost:${PORT}/health || exit 1

# Run FastAPI app
EXPOSE ${PORT}
CMD ["python", "-m", "server.app"]