Dockerfile

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

# Set working directory
WORKDIR /app

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

# Copy only requirements first for better cache utilization
COPY requirements.txt .
COPY setup.py .
COPY README.md .

# Create venv and install dependencies
RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"
RUN pip install --no-cache-dir -r requirements.txt

# Final stage
FROM python:3.11-slim

# Copy virtual env from builder
COPY --from=builder /opt/venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"

# Set working directory
WORKDIR /app

# Copy application code
COPY src/ src/

# Create non-root user
RUN useradd -m -u 1000 appuser
USER appuser

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV PYTHONPATH=/app/src

# Expose port
EXPOSE 8000

# Default command
ENTRYPOINT ["uvicorn"]
CMD ["mab_platform.api.main:app", "--host", "0.0.0.0", "--port", "8000"]