Dockerfile

# Build stage
FROM python:3.11-slim as builder

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 requirements and install dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir --user -r requirements.txt

# Production stage
FROM python:3.11-slim

WORKDIR /app

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

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

# Copy application code
COPY app/ ./app/
COPY config/ ./config/

# Create non-root user for security
RUN useradd --create-home --shell /bin/bash appuser
USER appuser

# Expose port
EXPOSE 8000

# Default command (can be overridden in docker-compose)
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]