Dockerfile

# Multi-stage build for smaller final image
FROM python:3.11-slim as builder

# Install system dependencies
RUN apt-get update && apt-get install -y \
    gcc \
    g++ \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Copy requirements
COPY requirements.txt .

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

# Final stage
FROM python:3.11-slim

# Install runtime dependencies
RUN apt-get update && apt-get install -y \
    curl \
    && rm -rf /var/lib/apt/lists/*

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

# Set working directory
WORKDIR /app

# Copy application code
COPY src/ ./src/
COPY setup.py .
COPY README.md .

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

# Set Python path
ENV PYTHONPATH=/app

# Expose ports
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8000/ || exit 1

# Default command - run web server
CMD ["python", "-m", "src.api.server"]