Dockerfile

FROM python:3.12-slim AS base

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

WORKDIR /app

# Install dependencies first for layer caching.
COPY pyproject.toml README.md ./
COPY src ./src
RUN pip install --no-cache-dir .

# Seed corpus ships with the image; vector data lives on a volume.
COPY data/corpus ./data/corpus

RUN useradd --create-home --uid 10001 atlas \
    && mkdir -p /app/data/vectorstore \
    && chown -R atlas:atlas /app
USER atlas

ENV ATLAS_API_HOST=0.0.0.0 \
    ATLAS_API_PORT=8000 \
    ATLAS_PERSIST_DIR=/app/data/vectorstore \
    ATLAS_CORPUS_DIR=/app/data/corpus

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=5s --start-period=15s \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')"

ENTRYPOINT ["uvicorn", "atlas.api.app:create_app", "--factory", "--host", "0.0.0.0", "--port", "8000"]