FROM python:3.12-slim

WORKDIR /app

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

# Copy requirements first for caching
COPY backend/requirements.txt .

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

# Copy application code
COPY backend/ ./backend/
COPY .env.example .env
COPY alembic.ini .
COPY backend/alembic ./backend/alembic

# Environment
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV PORT=8001

# Expose port
EXPOSE 8001

# Run
CMD ["uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "8001"]