Dockerfile.backend

# Stage 1: Builder
FROM python:3.12-slim AS builder

WORKDIR /app

# Install uv for faster dependency installation
RUN pip install uv

# Copy dependency files
COPY pyproject.toml uv.lock ./

# Create virtual environment and install dependencies
RUN uv sync --frozen --no-install-project

# Copy source code
COPY src/ ./src/


# Stage 2: Production
FROM python:3.12-slim AS production

WORKDIR /app

# Copy virtual environment from builder
COPY --from=builder /app/.venv /app/.venv
ENV PATH="/app/.venv/bin:$PATH"

# Create non-root user for security
RUN useradd -m -u 1000 appuser && \
    mkdir -p /app/data_storage && \
    chown -R appuser:appuser /app

USER appuser

ENV PYTHONPATH=/app
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import httpx; httpx.get('http://localhost:8000/health').raise_for_status()"

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