Dockerfile.api

# Multi-stage build for optimized image size
FROM python:3.12-slim as builder

WORKDIR /app

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

# Install Python dependencies into user directory
COPY requirements.txt ./
COPY api/requirements.txt ./api/
RUN pip install --user --no-cache-dir -r requirements.txt -r api/requirements.txt

# Runtime stage
FROM python:3.12-slim

WORKDIR /app

# Copy installed packages from builder
COPY --from=builder /root/.local /root/.local

# Copy source code
COPY src/ src/
COPY api/ api/

# Set environment
ENV PATH=/root/.local/bin:$PATH
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV API_ENV=production
ENV LOG_LEVEL=info

EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
    CMD python -c "import requests; requests.get('http://localhost:8000/health', timeout=2)" || exit 1

# Use enhanced main with production features
CMD ["python", "-m", "uvicorn", "api.main_enhanced:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1"]