Dockerfile

# Multi-stage build for efficient container
FROM python:3.11-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/*

# Copy requirements and install dependencies
COPY requirements.txt api/requirements.txt ./
RUN pip install --user --no-cache-dir -r requirements.txt -r api/requirements.txt

# Production stage
FROM python:3.11-slim

WORKDIR /app

# Copy dependencies from builder
COPY --from=builder /root/.local /root/.local

# Copy application code
COPY src/ ./src/
COPY api/ ./api/
COPY LICENSE README.md ./

# Make sure scripts in .local are usable
ENV PATH=/root/.local/bin:$PATH

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD python -c "import requests; requests.get('http://localhost:8000/health', timeout=2)" || exit 1

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