# ─── SmartClass API Server ───────────────────────────────────────────
FROM python:3.11-slim AS base

LABEL maintainer="SmartClass Team"
LABEL description="SmartClass API Server - FastAPI"

# System dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    libpq-dev \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Create non-root user
RUN useradd -m -s /bin/bash smartclass
WORKDIR /opt/smartclass-api

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

# Copy application code
COPY app/ ./app/
COPY alembic/ ./alembic/
COPY alembic.ini .

# Create necessary directories
RUN mkdir -p /opt/smartclass-api/logs \
    && chown -R smartclass:smartclass /opt/smartclass-api

ENV PYTHONUNBUFFERED=1

# Switch to non-root user
USER smartclass

# Expose API port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=15s --timeout=5s --retries=3 --start-period=30s \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8000/health')"

# Start with uvicorn
CMD ["python", "-m", "uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "4"]