Dockerfile

# Dockerfile
# Multi-stage build for the FastAPI backend

FROM python:3.13-slim AS builder

WORKDIR /app

RUN apt-get update && \
    apt-get install -y --no-install-recommends gcc g++ && \
    rm -rf /var/lib/apt/lists/*

COPY pyproject.toml ./

RUN python -m venv /app/.venv && \
    /app/.venv/bin/pip install --upgrade pip && \
    /app/.venv/bin/pip install ".[dev]" \
        langchain-chroma langchain-huggingface langchain-ollama \
        langchain-text-splitters markdown

FROM python:3.13-slim AS runtime

WORKDIR /app

COPY --from=builder /app/.venv /app/.venv

ENV PATH="/app/.venv/bin:$PATH"
ENV PYTHONUNBUFFERED=1

COPY src/ ./src/
COPY data/ ./data/
COPY tests/ ./tests/
COPY pyproject.toml ./

RUN mkdir -p vectorstore evaluation_results

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=10s --retries=3 \
    CMD python -c "import httpx; r = httpx.get('http://localhost:8000/health'); exit(0 if r.status_code == 200 else 1)"

CMD ["uvicorn", "src.api.main:app", "--host", "0.0.0.0", "--port", "8000"]